./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 80b4c453e300455caffbcb636daccd3af095acb6ed433fb3111a61f5db77a0b9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:28:11,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:28:11,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:28:12,024 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:28:12,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:28:12,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:28:12,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:28:12,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:28:12,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:28:12,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:28:12,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:28:12,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:28:12,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:28:12,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:28:12,040 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:28:12,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:28:12,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:28:12,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:28:12,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:28:12,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:28:12,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:28:12,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:28:12,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:28:12,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:28:12,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:28:12,062 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:28:12,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:28:12,064 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:28:12,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:28:12,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:28:12,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:28:12,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:28:12,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:28:12,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:28:12,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:28:12,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:28:12,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:28:12,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:28:12,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:28:12,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:28:12,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:28:12,075 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 02:28:12,104 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:28:12,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:28:12,105 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:28:12,105 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:28:12,106 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:28:12,107 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:28:12,107 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:28:12,107 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:28:12,108 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:28:12,108 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:28:12,109 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:28:12,109 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:28:12,109 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:28:12,110 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:28:12,110 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:28:12,111 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:28:12,111 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:28:12,111 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:28:12,112 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:28:12,113 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:28:12,113 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:28:12,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:28:12,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:28:12,114 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:28:12,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:28:12,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:28:12,115 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:28:12,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:28:12,116 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:28:12,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:28:12,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:28:12,116 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:28:12,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:28:12,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:28:12,117 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:28:12,117 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:28:12,117 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:28:12,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:28:12,118 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:28:12,118 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:28:12,118 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:28:12,118 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80b4c453e300455caffbcb636daccd3af095acb6ed433fb3111a61f5db77a0b9 [2021-11-23 02:28:12,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:28:12,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:28:12,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:28:12,367 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:28:12,368 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:28:12,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2021-11-23 02:28:12,444 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/data/dec12bb1e/58122e4cd3ae489280ed9cbae36c6ee1/FLAG030813bbe [2021-11-23 02:28:13,015 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:28:13,016 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2021-11-23 02:28:13,030 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/data/dec12bb1e/58122e4cd3ae489280ed9cbae36c6ee1/FLAG030813bbe [2021-11-23 02:28:13,364 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/data/dec12bb1e/58122e4cd3ae489280ed9cbae36c6ee1 [2021-11-23 02:28:13,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:28:13,370 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:28:13,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:28:13,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:28:13,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:28:13,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:28:13" (1/1) ... [2021-11-23 02:28:13,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bf4d573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:13, skipping insertion in model container [2021-11-23 02:28:13,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:28:13" (1/1) ... [2021-11-23 02:28:13,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:28:13,465 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:28:13,690 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c[1605,1618] [2021-11-23 02:28:13,896 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:28:13,913 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:28:13,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c[1605,1618] [2021-11-23 02:28:14,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:28:14,038 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:28:14,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:14 WrapperNode [2021-11-23 02:28:14,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:28:14,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:28:14,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:28:14,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:28:14,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:14" (1/1) ... [2021-11-23 02:28:14,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:14" (1/1) ... [2021-11-23 02:28:14,127 INFO L137 Inliner]: procedures = 58, calls = 159, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 279 [2021-11-23 02:28:14,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:28:14,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:28:14,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:28:14,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:28:14,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:14" (1/1) ... [2021-11-23 02:28:14,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:14" (1/1) ... [2021-11-23 02:28:14,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:14" (1/1) ... [2021-11-23 02:28:14,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:14" (1/1) ... [2021-11-23 02:28:14,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:14" (1/1) ... [2021-11-23 02:28:14,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:14" (1/1) ... [2021-11-23 02:28:14,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:14" (1/1) ... [2021-11-23 02:28:14,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:28:14,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:28:14,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:28:14,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:28:14,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:14" (1/1) ... [2021-11-23 02:28:14,186 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:28:14,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:28:14,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:28:14,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:28:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:28:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 02:28:14,253 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 02:28:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 02:28:14,253 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 02:28:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 02:28:14,253 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 02:28:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 02:28:14,254 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 02:28:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-11-23 02:28:14,254 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-11-23 02:28:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 02:28:14,255 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 02:28:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-23 02:28:14,255 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-23 02:28:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:28:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 02:28:14,256 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 02:28:14,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:28:14,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:28:14,331 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:28:14,333 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:28:14,737 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:28:14,851 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:28:14,852 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 02:28:14,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:14 BoogieIcfgContainer [2021-11-23 02:28:14,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:28:14,857 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:28:14,857 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:28:14,864 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:28:14,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:28:13" (1/3) ... [2021-11-23 02:28:14,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@364b80e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:28:14, skipping insertion in model container [2021-11-23 02:28:14,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:14" (2/3) ... [2021-11-23 02:28:14,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@364b80e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:28:14, skipping insertion in model container [2021-11-23 02:28:14,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:14" (3/3) ... [2021-11-23 02:28:14,867 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product59.cil.c [2021-11-23 02:28:14,872 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:28:14,873 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:28:14,921 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:28:14,928 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:28:14,928 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:28:14,946 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 51 states have internal predecessors, (61), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2021-11-23 02:28:14,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 02:28:14,952 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:28:14,953 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:28:14,954 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:28:14,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:28:14,959 INFO L85 PathProgramCache]: Analyzing trace with hash -294393006, now seen corresponding path program 1 times [2021-11-23 02:28:14,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:28:14,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222563956] [2021-11-23 02:28:14,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:28:14,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:28:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:28:15,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:28:15,148 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:28:15,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222563956] [2021-11-23 02:28:15,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222563956] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:28:15,149 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:28:15,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:28:15,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522407735] [2021-11-23 02:28:15,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:28:15,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 02:28:15,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:28:15,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 02:28:15,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:28:15,184 INFO L87 Difference]: Start difference. First operand has 66 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 51 states have internal predecessors, (61), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:28:15,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:28:15,251 INFO L93 Difference]: Finished difference Result 130 states and 179 transitions. [2021-11-23 02:28:15,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 02:28:15,253 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2021-11-23 02:28:15,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:28:15,262 INFO L225 Difference]: With dead ends: 130 [2021-11-23 02:28:15,262 INFO L226 Difference]: Without dead ends: 61 [2021-11-23 02:28:15,266 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:28:15,270 INFO L933 BasicCegarLoop]: 69 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:28:15,271 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:28:15,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-11-23 02:28:15,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2021-11-23 02:28:15,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 39 states have (on average 1.358974358974359) internal successors, (53), 47 states have internal predecessors, (53), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-23 02:28:15,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 80 transitions. [2021-11-23 02:28:15,341 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 80 transitions. Word has length 17 [2021-11-23 02:28:15,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:28:15,342 INFO L470 AbstractCegarLoop]: Abstraction has 61 states and 80 transitions. [2021-11-23 02:28:15,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:28:15,342 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2021-11-23 02:28:15,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:28:15,348 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:28:15,348 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:28:15,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:28:15,349 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:28:15,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:28:15,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1476513627, now seen corresponding path program 1 times [2021-11-23 02:28:15,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:28:15,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227164015] [2021-11-23 02:28:15,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:28:15,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:28:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:28:15,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:28:15,486 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:28:15,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227164015] [2021-11-23 02:28:15,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227164015] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:28:15,488 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:28:15,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:28:15,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952084957] [2021-11-23 02:28:15,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:28:15,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:28:15,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:28:15,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:28:15,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:28:15,497 INFO L87 Difference]: Start difference. First operand 61 states and 80 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:28:15,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:28:15,560 INFO L93 Difference]: Finished difference Result 94 states and 122 transitions. [2021-11-23 02:28:15,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:28:15,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2021-11-23 02:28:15,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:28:15,566 INFO L225 Difference]: With dead ends: 94 [2021-11-23 02:28:15,566 INFO L226 Difference]: Without dead ends: 53 [2021-11-23 02:28:15,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:28:15,576 INFO L933 BasicCegarLoop]: 55 mSDtfsCounter, 14 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:28:15,577 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 93 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:28:15,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-11-23 02:28:15,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-11-23 02:28:15,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 42 states have internal predecessors, (47), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-23 02:28:15,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 69 transitions. [2021-11-23 02:28:15,595 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 69 transitions. Word has length 18 [2021-11-23 02:28:15,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:28:15,597 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 69 transitions. [2021-11-23 02:28:15,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:28:15,598 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2021-11-23 02:28:15,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 02:28:15,601 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:28:15,601 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:28:15,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:28:15,602 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:28:15,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:28:15,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1682934920, now seen corresponding path program 1 times [2021-11-23 02:28:15,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:28:15,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315617162] [2021-11-23 02:28:15,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:28:15,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:28:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:28:15,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:28:15,719 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:28:15,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315617162] [2021-11-23 02:28:15,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315617162] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:28:15,719 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:28:15,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:28:15,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651828902] [2021-11-23 02:28:15,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:28:15,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:28:15,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:28:15,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:28:15,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:28:15,722 INFO L87 Difference]: Start difference. First operand 53 states and 69 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:28:15,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:28:15,787 INFO L93 Difference]: Finished difference Result 155 states and 204 transitions. [2021-11-23 02:28:15,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:28:15,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2021-11-23 02:28:15,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:28:15,790 INFO L225 Difference]: With dead ends: 155 [2021-11-23 02:28:15,790 INFO L226 Difference]: Without dead ends: 104 [2021-11-23 02:28:15,791 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:28:15,792 INFO L933 BasicCegarLoop]: 75 mSDtfsCounter, 56 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:28:15,793 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 128 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:28:15,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-11-23 02:28:15,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2021-11-23 02:28:15,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 64 states have (on average 1.390625) internal successors, (89), 79 states have internal predecessors, (89), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 15 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-23 02:28:15,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 133 transitions. [2021-11-23 02:28:15,819 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 133 transitions. Word has length 21 [2021-11-23 02:28:15,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:28:15,820 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 133 transitions. [2021-11-23 02:28:15,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:28:15,820 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 133 transitions. [2021-11-23 02:28:15,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 02:28:15,826 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:28:15,827 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:28:15,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 02:28:15,827 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:28:15,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:28:15,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1949785870, now seen corresponding path program 1 times [2021-11-23 02:28:15,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:28:15,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034643684] [2021-11-23 02:28:15,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:28:15,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:28:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:28:15,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:28:15,951 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:28:15,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034643684] [2021-11-23 02:28:15,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034643684] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:28:15,951 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:28:15,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:28:15,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138787069] [2021-11-23 02:28:15,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:28:15,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:28:15,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:28:15,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:28:15,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:28:15,954 INFO L87 Difference]: Start difference. First operand 101 states and 133 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:28:16,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:28:16,091 INFO L93 Difference]: Finished difference Result 278 states and 375 transitions. [2021-11-23 02:28:16,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:28:16,092 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2021-11-23 02:28:16,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:28:16,095 INFO L225 Difference]: With dead ends: 278 [2021-11-23 02:28:16,097 INFO L226 Difference]: Without dead ends: 179 [2021-11-23 02:28:16,099 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:28:16,103 INFO L933 BasicCegarLoop]: 61 mSDtfsCounter, 39 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:28:16,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 165 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:28:16,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2021-11-23 02:28:16,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 170. [2021-11-23 02:28:16,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 113 states have (on average 1.3185840707964602) internal successors, (149), 128 states have internal predecessors, (149), 30 states have call successors, (30), 26 states have call predecessors, (30), 26 states have return successors, (38), 27 states have call predecessors, (38), 30 states have call successors, (38) [2021-11-23 02:28:16,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 217 transitions. [2021-11-23 02:28:16,156 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 217 transitions. Word has length 24 [2021-11-23 02:28:16,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:28:16,156 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 217 transitions. [2021-11-23 02:28:16,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:28:16,157 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 217 transitions. [2021-11-23 02:28:16,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 02:28:16,161 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:28:16,161 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:28:16,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 02:28:16,162 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:28:16,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:28:16,162 INFO L85 PathProgramCache]: Analyzing trace with hash 906199045, now seen corresponding path program 1 times [2021-11-23 02:28:16,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:28:16,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852351165] [2021-11-23 02:28:16,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:28:16,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:28:16,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:28:16,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 02:28:16,251 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:28:16,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852351165] [2021-11-23 02:28:16,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852351165] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:28:16,252 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:28:16,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:28:16,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231144644] [2021-11-23 02:28:16,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:28:16,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:28:16,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:28:16,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:28:16,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:28:16,260 INFO L87 Difference]: Start difference. First operand 170 states and 217 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-23 02:28:16,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:28:16,347 INFO L93 Difference]: Finished difference Result 301 states and 394 transitions. [2021-11-23 02:28:16,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:28:16,347 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 33 [2021-11-23 02:28:16,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:28:16,352 INFO L225 Difference]: With dead ends: 301 [2021-11-23 02:28:16,352 INFO L226 Difference]: Without dead ends: 299 [2021-11-23 02:28:16,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:28:16,353 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 45 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:28:16,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 117 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:28:16,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2021-11-23 02:28:16,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 293. [2021-11-23 02:28:16,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 191 states have (on average 1.3141361256544504) internal successors, (251), 218 states have internal predecessors, (251), 55 states have call successors, (55), 47 states have call predecessors, (55), 46 states have return successors, (77), 46 states have call predecessors, (77), 55 states have call successors, (77) [2021-11-23 02:28:16,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 383 transitions. [2021-11-23 02:28:16,387 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 383 transitions. Word has length 33 [2021-11-23 02:28:16,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:28:16,388 INFO L470 AbstractCegarLoop]: Abstraction has 293 states and 383 transitions. [2021-11-23 02:28:16,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-23 02:28:16,388 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 383 transitions. [2021-11-23 02:28:16,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 02:28:16,391 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:28:16,391 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:28:16,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 02:28:16,392 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:28:16,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:28:16,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1137865473, now seen corresponding path program 1 times [2021-11-23 02:28:16,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:28:16,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138362932] [2021-11-23 02:28:16,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:28:16,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:28:16,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:28:16,456 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 02:28:16,456 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:28:16,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138362932] [2021-11-23 02:28:16,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138362932] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:28:16,457 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:28:16,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:28:16,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362027021] [2021-11-23 02:28:16,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:28:16,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:28:16,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:28:16,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:28:16,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:28:16,459 INFO L87 Difference]: Start difference. First operand 293 states and 383 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2021-11-23 02:28:16,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:28:16,589 INFO L93 Difference]: Finished difference Result 333 states and 436 transitions. [2021-11-23 02:28:16,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:28:16,590 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 56 [2021-11-23 02:28:16,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:28:16,594 INFO L225 Difference]: With dead ends: 333 [2021-11-23 02:28:16,594 INFO L226 Difference]: Without dead ends: 141 [2021-11-23 02:28:16,596 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:28:16,598 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 87 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:28:16,600 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 124 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:28:16,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-11-23 02:28:16,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2021-11-23 02:28:16,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 92 states have (on average 1.25) internal successors, (115), 104 states have internal predecessors, (115), 25 states have call successors, (25), 23 states have call predecessors, (25), 23 states have return successors, (35), 22 states have call predecessors, (35), 25 states have call successors, (35) [2021-11-23 02:28:16,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 175 transitions. [2021-11-23 02:28:16,631 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 175 transitions. Word has length 56 [2021-11-23 02:28:16,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:28:16,633 INFO L470 AbstractCegarLoop]: Abstraction has 141 states and 175 transitions. [2021-11-23 02:28:16,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2021-11-23 02:28:16,633 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 175 transitions. [2021-11-23 02:28:16,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 02:28:16,635 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:28:16,635 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:28:16,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 02:28:16,635 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:28:16,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:28:16,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1543761492, now seen corresponding path program 1 times [2021-11-23 02:28:16,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:28:16,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703942140] [2021-11-23 02:28:16,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:28:16,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:28:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:28:16,797 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 02:28:16,797 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:28:16,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703942140] [2021-11-23 02:28:16,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703942140] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:28:16,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207938702] [2021-11-23 02:28:16,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:28:16,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:28:16,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:28:16,804 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:28:16,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 02:28:16,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:28:16,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 02:28:16,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:28:17,316 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 02:28:17,317 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:28:17,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207938702] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:28:17,317 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 02:28:17,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2021-11-23 02:28:17,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737182993] [2021-11-23 02:28:17,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:28:17,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 02:28:17,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:28:17,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 02:28:17,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-11-23 02:28:17,319 INFO L87 Difference]: Start difference. First operand 141 states and 175 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 5 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 5 states have call successors, (7) [2021-11-23 02:28:17,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:28:17,803 INFO L93 Difference]: Finished difference Result 380 states and 482 transitions. [2021-11-23 02:28:17,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-23 02:28:17,803 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 5 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 5 states have call successors, (7) Word has length 64 [2021-11-23 02:28:17,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:28:17,809 INFO L225 Difference]: With dead ends: 380 [2021-11-23 02:28:17,809 INFO L226 Difference]: Without dead ends: 241 [2021-11-23 02:28:17,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2021-11-23 02:28:17,812 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 146 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:28:17,812 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 201 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-23 02:28:17,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2021-11-23 02:28:17,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 192. [2021-11-23 02:28:17,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 130 states have (on average 1.2461538461538462) internal successors, (162), 141 states have internal predecessors, (162), 29 states have call successors, (29), 29 states have call predecessors, (29), 32 states have return successors, (47), 29 states have call predecessors, (47), 29 states have call successors, (47) [2021-11-23 02:28:17,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 238 transitions. [2021-11-23 02:28:17,842 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 238 transitions. Word has length 64 [2021-11-23 02:28:17,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:28:17,843 INFO L470 AbstractCegarLoop]: Abstraction has 192 states and 238 transitions. [2021-11-23 02:28:17,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 5 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 5 states have call successors, (7) [2021-11-23 02:28:17,843 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 238 transitions. [2021-11-23 02:28:17,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 02:28:17,846 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:28:17,847 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:28:17,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-23 02:28:18,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:28:18,059 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:28:18,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:28:18,059 INFO L85 PathProgramCache]: Analyzing trace with hash 609721716, now seen corresponding path program 1 times [2021-11-23 02:28:18,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:28:18,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181588156] [2021-11-23 02:28:18,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:28:18,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:28:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:28:18,225 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 02:28:18,225 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:28:18,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181588156] [2021-11-23 02:28:18,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181588156] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:28:18,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724472135] [2021-11-23 02:28:18,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:28:18,227 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:28:18,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:28:18,235 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:28:18,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 02:28:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:28:18,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 02:28:18,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:28:18,863 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 02:28:18,863 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:28:19,581 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 02:28:19,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724472135] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:28:19,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1727125818] [2021-11-23 02:28:19,605 INFO L159 IcfgInterpreter]: Started Sifa with 42 locations of interest [2021-11-23 02:28:19,605 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:28:19,610 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:28:19,615 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:28:19,615 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:28:26,303 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 296 for LOIs [2021-11-23 02:28:26,357 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 303 for LOIs [2021-11-23 02:28:30,174 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 301 for LOIs [2021-11-23 02:28:31,669 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 22 for LOIs [2021-11-23 02:28:31,671 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 02:29:10,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1727125818] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:29:10,042 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-23 02:29:10,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [11, 11, 14] total 52 [2021-11-23 02:29:10,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300617718] [2021-11-23 02:29:10,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:29:10,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-23 02:29:10,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:29:10,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-23 02:29:10,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=425, Invalid=2227, Unknown=0, NotChecked=0, Total=2652 [2021-11-23 02:29:10,047 INFO L87 Difference]: Start difference. First operand 192 states and 238 transitions. Second operand has 24 states, 19 states have (on average 1.736842105263158) internal successors, (33), 19 states have internal predecessors, (33), 6 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2021-11-23 02:29:41,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:29:41,919 INFO L93 Difference]: Finished difference Result 598 states and 748 transitions. [2021-11-23 02:29:41,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-23 02:29:41,920 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 19 states have (on average 1.736842105263158) internal successors, (33), 19 states have internal predecessors, (33), 6 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 67 [2021-11-23 02:29:41,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:29:41,923 INFO L225 Difference]: With dead ends: 598 [2021-11-23 02:29:41,923 INFO L226 Difference]: Without dead ends: 408 [2021-11-23 02:29:41,926 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 155 SyntacticMatches, 6 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2005 ImplicationChecksByTransitivity, 67.4s TimeCoverageRelationStatistics Valid=863, Invalid=4107, Unknown=0, NotChecked=0, Total=4970 [2021-11-23 02:29:41,926 INFO L933 BasicCegarLoop]: 55 mSDtfsCounter, 169 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 1164 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 1243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 1164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:29:41,927 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 417 Invalid, 1243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 1164 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-23 02:29:41,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2021-11-23 02:29:41,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 378. [2021-11-23 02:29:41,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 260 states have (on average 1.2192307692307693) internal successors, (317), 276 states have internal predecessors, (317), 56 states have call successors, (56), 55 states have call predecessors, (56), 61 states have return successors, (86), 56 states have call predecessors, (86), 56 states have call successors, (86) [2021-11-23 02:29:41,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 459 transitions. [2021-11-23 02:29:41,994 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 459 transitions. Word has length 67 [2021-11-23 02:29:41,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:29:41,995 INFO L470 AbstractCegarLoop]: Abstraction has 378 states and 459 transitions. [2021-11-23 02:29:41,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 19 states have (on average 1.736842105263158) internal successors, (33), 19 states have internal predecessors, (33), 6 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2021-11-23 02:29:41,995 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 459 transitions. [2021-11-23 02:29:41,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 02:29:41,997 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:29:41,998 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:29:42,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 02:29:42,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:29:42,215 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:29:42,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:29:42,215 INFO L85 PathProgramCache]: Analyzing trace with hash 375713732, now seen corresponding path program 1 times [2021-11-23 02:29:42,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:29:42,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648830509] [2021-11-23 02:29:42,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:29:42,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:29:42,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:29:42,437 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 02:29:42,437 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:29:42,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648830509] [2021-11-23 02:29:42,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648830509] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:29:42,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185434962] [2021-11-23 02:29:42,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:29:42,438 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:29:42,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:29:42,438 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:29:42,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 02:29:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:29:42,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 02:29:42,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:29:42,814 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:29:42,814 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:29:43,244 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 02:29:43,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185434962] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:29:43,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [367687085] [2021-11-23 02:29:43,247 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2021-11-23 02:29:43,247 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:29:43,248 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:29:43,248 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:29:43,248 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:29:49,616 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 310 for LOIs [2021-11-23 02:29:49,675 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 46 for LOIs [2021-11-23 02:29:49,994 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 39 for LOIs [2021-11-23 02:29:50,208 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 49 for LOIs [2021-11-23 02:29:50,219 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 24 for LOIs [2021-11-23 02:29:50,223 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 37 for LOIs [2021-11-23 02:29:50,228 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 02:30:01,011 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6757#(and (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| 0)) (= |timeShift_isPumpRunning_#res#1| |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1|) (= ~head~0.offset 0) (= ~pumpRunning~0 |timeShift_isPumpRunning_~retValue_acc~1#1|) (= 1 ~systemActive~0) (= |timeShift_isPumpRunning_#res#1| |timeShift_isPumpRunning_~retValue_acc~1#1|) (<= 0 ~methAndRunningLastTime~0) (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 0)) (<= 0 |old(~methAndRunningLastTime~0)|) (<= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| 2147483647) (<= 0 ~head~0.base) (<= 0 ~methaneLevelCritical~0) (<= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 2147483647) (<= ~head~0.base 0) (= |#NULL.offset| 0) (not (= ~methAndRunningLastTime~0 0)) (<= 0 (+ |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 2147483648)) (<= 0 |#StackHeapBarrier|) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| ~methaneLevelCritical~0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2021-11-23 02:30:01,011 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-23 02:30:01,011 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 02:30:01,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 9] total 25 [2021-11-23 02:30:01,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481187504] [2021-11-23 02:30:01,011 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 02:30:01,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-23 02:30:01,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:30:01,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-23 02:30:01,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=320, Invalid=2872, Unknown=0, NotChecked=0, Total=3192 [2021-11-23 02:30:01,014 INFO L87 Difference]: Start difference. First operand 378 states and 459 transitions. Second operand has 25 states, 19 states have (on average 4.684210526315789) internal successors, (89), 19 states have internal predecessors, (89), 8 states have call successors, (21), 5 states have call predecessors, (21), 14 states have return successors, (22), 13 states have call predecessors, (22), 8 states have call successors, (22) [2021-11-23 02:30:04,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:30:04,125 INFO L93 Difference]: Finished difference Result 1337 states and 1984 transitions. [2021-11-23 02:30:04,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-23 02:30:04,126 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 19 states have (on average 4.684210526315789) internal successors, (89), 19 states have internal predecessors, (89), 8 states have call successors, (21), 5 states have call predecessors, (21), 14 states have return successors, (22), 13 states have call predecessors, (22), 8 states have call successors, (22) Word has length 70 [2021-11-23 02:30:04,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:30:04,133 INFO L225 Difference]: With dead ends: 1337 [2021-11-23 02:30:04,134 INFO L226 Difference]: Without dead ends: 1034 [2021-11-23 02:30:04,139 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 177 SyntacticMatches, 11 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3938 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=1148, Invalid=8554, Unknown=0, NotChecked=0, Total=9702 [2021-11-23 02:30:04,139 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 759 mSDsluCounter, 1272 mSDsCounter, 0 mSdLazyCounter, 2184 mSolverCounterSat, 697 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 768 SdHoareTripleChecker+Valid, 1241 SdHoareTripleChecker+Invalid, 2881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 697 IncrementalHoareTripleChecker+Valid, 2184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:30:04,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [768 Valid, 1241 Invalid, 2881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [697 Valid, 2184 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-23 02:30:04,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2021-11-23 02:30:04,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 659. [2021-11-23 02:30:04,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 461 states have (on average 1.1973969631236443) internal successors, (552), 483 states have internal predecessors, (552), 96 states have call successors, (96), 87 states have call predecessors, (96), 101 states have return successors, (159), 102 states have call predecessors, (159), 96 states have call successors, (159) [2021-11-23 02:30:04,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 807 transitions. [2021-11-23 02:30:04,265 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 807 transitions. Word has length 70 [2021-11-23 02:30:04,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:30:04,265 INFO L470 AbstractCegarLoop]: Abstraction has 659 states and 807 transitions. [2021-11-23 02:30:04,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 19 states have (on average 4.684210526315789) internal successors, (89), 19 states have internal predecessors, (89), 8 states have call successors, (21), 5 states have call predecessors, (21), 14 states have return successors, (22), 13 states have call predecessors, (22), 8 states have call successors, (22) [2021-11-23 02:30:04,266 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 807 transitions. [2021-11-23 02:30:04,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 02:30:04,269 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:30:04,269 INFO L514 BasicCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:30:04,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 02:30:04,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:30:04,483 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:30:04,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:30:04,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1340324960, now seen corresponding path program 1 times [2021-11-23 02:30:04,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:30:04,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752846697] [2021-11-23 02:30:04,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:30:04,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:30:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:30:04,554 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-23 02:30:04,554 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:30:04,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752846697] [2021-11-23 02:30:04,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752846697] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:30:04,555 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:30:04,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:30:04,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743961244] [2021-11-23 02:30:04,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:30:04,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:30:04,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:30:04,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:30:04,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:30:04,557 INFO L87 Difference]: Start difference. First operand 659 states and 807 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-23 02:30:04,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:30:04,698 INFO L93 Difference]: Finished difference Result 1126 states and 1444 transitions. [2021-11-23 02:30:04,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:30:04,699 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 71 [2021-11-23 02:30:04,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:30:04,704 INFO L225 Difference]: With dead ends: 1126 [2021-11-23 02:30:04,704 INFO L226 Difference]: Without dead ends: 576 [2021-11-23 02:30:04,707 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:30:04,708 INFO L933 BasicCegarLoop]: 75 mSDtfsCounter, 38 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:30:04,708 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 164 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:30:04,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2021-11-23 02:30:04,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 568. [2021-11-23 02:30:04,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 399 states have (on average 1.1804511278195489) internal successors, (471), 419 states have internal predecessors, (471), 83 states have call successors, (83), 81 states have call predecessors, (83), 85 states have return successors, (116), 82 states have call predecessors, (116), 83 states have call successors, (116) [2021-11-23 02:30:04,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 670 transitions. [2021-11-23 02:30:04,806 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 670 transitions. Word has length 71 [2021-11-23 02:30:04,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:30:04,806 INFO L470 AbstractCegarLoop]: Abstraction has 568 states and 670 transitions. [2021-11-23 02:30:04,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-23 02:30:04,807 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 670 transitions. [2021-11-23 02:30:04,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 02:30:04,810 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:30:04,810 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:30:04,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-23 02:30:04,810 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:30:04,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:30:04,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1072544835, now seen corresponding path program 1 times [2021-11-23 02:30:04,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:30:04,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510290773] [2021-11-23 02:30:04,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:30:04,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:30:04,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:30:05,008 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 36 proven. 18 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 02:30:05,009 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:30:05,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510290773] [2021-11-23 02:30:05,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510290773] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:30:05,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056820123] [2021-11-23 02:30:05,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:30:05,010 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:30:05,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:30:05,011 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:30:05,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 02:30:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:30:05,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 02:30:05,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:30:05,744 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 53 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 02:30:05,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:30:06,593 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 44 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 02:30:06,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056820123] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:30:06,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1137153746] [2021-11-23 02:30:06,598 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2021-11-23 02:30:06,598 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:30:06,598 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:30:06,599 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:30:06,599 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:30:11,627 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 48 for LOIs [2021-11-23 02:30:11,638 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 30 for LOIs [2021-11-23 02:30:11,845 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 59 for LOIs [2021-11-23 02:30:12,281 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 49 for LOIs [2021-11-23 02:30:12,295 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 43 for LOIs [2021-11-23 02:30:12,303 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 35 for LOIs [2021-11-23 02:30:12,306 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 02:30:17,178 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '12944#(and (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| 0)) (= |timeShift_isPumpRunning_#res#1| |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1|) (= ~head~0.offset 0) (= ~pumpRunning~0 |timeShift_isPumpRunning_~retValue_acc~1#1|) (= 1 ~systemActive~0) (= |timeShift_isPumpRunning_#res#1| |timeShift_isPumpRunning_~retValue_acc~1#1|) (<= 0 ~methAndRunningLastTime~0) (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 0)) (<= 0 |old(~methAndRunningLastTime~0)|) (<= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| 2147483647) (<= 0 ~methaneLevelCritical~0) (<= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 2147483647) (= ~head~0.base 0) (= |#NULL.offset| 0) (not (= ~methAndRunningLastTime~0 0)) (<= 0 (+ |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 2147483648)) (<= 0 |#StackHeapBarrier|) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| ~methaneLevelCritical~0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2021-11-23 02:30:17,178 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-23 02:30:17,179 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 02:30:17,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 15] total 36 [2021-11-23 02:30:17,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113988844] [2021-11-23 02:30:17,179 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 02:30:17,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-11-23 02:30:17,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:30:17,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-11-23 02:30:17,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=554, Invalid=4002, Unknown=0, NotChecked=0, Total=4556 [2021-11-23 02:30:17,182 INFO L87 Difference]: Start difference. First operand 568 states and 670 transitions. Second operand has 36 states, 33 states have (on average 3.9696969696969697) internal successors, (131), 28 states have internal predecessors, (131), 16 states have call successors, (33), 14 states have call predecessors, (33), 13 states have return successors, (31), 13 states have call predecessors, (31), 16 states have call successors, (31) [2021-11-23 02:30:19,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:30:19,577 INFO L93 Difference]: Finished difference Result 1909 states and 2308 transitions. [2021-11-23 02:30:19,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-23 02:30:19,578 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 33 states have (on average 3.9696969696969697) internal successors, (131), 28 states have internal predecessors, (131), 16 states have call successors, (33), 14 states have call predecessors, (33), 13 states have return successors, (31), 13 states have call predecessors, (31), 16 states have call successors, (31) Word has length 99 [2021-11-23 02:30:19,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:30:19,588 INFO L225 Difference]: With dead ends: 1909 [2021-11-23 02:30:19,588 INFO L226 Difference]: Without dead ends: 1416 [2021-11-23 02:30:19,594 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 238 SyntacticMatches, 16 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5037 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=1400, Invalid=9312, Unknown=0, NotChecked=0, Total=10712 [2021-11-23 02:30:19,595 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 1433 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 1158 mSolverCounterSat, 836 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1434 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 1994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 836 IncrementalHoareTripleChecker+Valid, 1158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-23 02:30:19,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1434 Valid, 742 Invalid, 1994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [836 Valid, 1158 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-23 02:30:19,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2021-11-23 02:30:19,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1254. [2021-11-23 02:30:19,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1254 states, 896 states have (on average 1.1841517857142858) internal successors, (1061), 938 states have internal predecessors, (1061), 183 states have call successors, (183), 160 states have call predecessors, (183), 174 states have return successors, (248), 173 states have call predecessors, (248), 183 states have call successors, (248) [2021-11-23 02:30:19,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1492 transitions. [2021-11-23 02:30:19,770 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 1492 transitions. Word has length 99 [2021-11-23 02:30:19,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:30:19,770 INFO L470 AbstractCegarLoop]: Abstraction has 1254 states and 1492 transitions. [2021-11-23 02:30:19,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 33 states have (on average 3.9696969696969697) internal successors, (131), 28 states have internal predecessors, (131), 16 states have call successors, (33), 14 states have call predecessors, (33), 13 states have return successors, (31), 13 states have call predecessors, (31), 16 states have call successors, (31) [2021-11-23 02:30:19,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1492 transitions. [2021-11-23 02:30:19,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 02:30:19,776 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:30:19,776 INFO L514 BasicCegarLoop]: trace histogram [7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:30:19,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-23 02:30:20,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-23 02:30:20,003 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:30:20,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:30:20,003 INFO L85 PathProgramCache]: Analyzing trace with hash -517121657, now seen corresponding path program 1 times [2021-11-23 02:30:20,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:30:20,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645152666] [2021-11-23 02:30:20,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:30:20,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:30:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:30:20,299 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 92 proven. 90 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 02:30:20,299 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:30:20,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645152666] [2021-11-23 02:30:20,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645152666] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:30:20,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770454674] [2021-11-23 02:30:20,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:30:20,300 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:30:20,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:30:20,301 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:30:20,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-23 02:30:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:30:20,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 02:30:20,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:30:21,089 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 160 proven. 44 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-11-23 02:30:21,089 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:30:21,956 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 114 proven. 60 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-11-23 02:30:21,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1770454674] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:30:21,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [539965895] [2021-11-23 02:30:21,960 INFO L159 IcfgInterpreter]: Started Sifa with 48 locations of interest [2021-11-23 02:30:21,960 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:30:21,961 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:30:21,961 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:30:21,961 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:30:28,254 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 305 for LOIs [2021-11-23 02:30:28,304 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 30 for LOIs [2021-11-23 02:30:28,534 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 59 for LOIs [2021-11-23 02:30:28,906 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 47 for LOIs [2021-11-23 02:30:28,919 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 45 for LOIs [2021-11-23 02:30:28,926 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 35 for LOIs [2021-11-23 02:30:28,929 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 31 for LOIs [2021-11-23 02:30:28,932 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 02:30:39,313 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '18691#(and (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| 0)) (= |timeShift_isPumpRunning_#res#1| |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1|) (= ~head~0.offset 0) (= ~pumpRunning~0 |timeShift_isPumpRunning_~retValue_acc~1#1|) (= 1 ~systemActive~0) (= |timeShift_isPumpRunning_#res#1| |timeShift_isPumpRunning_~retValue_acc~1#1|) (<= 0 ~methAndRunningLastTime~0) (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 0)) (<= 0 |old(~methAndRunningLastTime~0)|) (<= 0 ~methaneLevelCritical~0) (<= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 2147483647) (= ~head~0.base 0) (= |#NULL.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (not (= ~methAndRunningLastTime~0 0)) (<= 0 (+ |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 2147483648)) (<= 0 |#StackHeapBarrier|) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| ~methaneLevelCritical~0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2021-11-23 02:30:39,313 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-23 02:30:39,313 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 02:30:39,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 13, 13] total 36 [2021-11-23 02:30:39,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476415299] [2021-11-23 02:30:39,313 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 02:30:39,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-11-23 02:30:39,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:30:39,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-11-23 02:30:39,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=543, Invalid=4713, Unknown=0, NotChecked=0, Total=5256 [2021-11-23 02:30:39,318 INFO L87 Difference]: Start difference. First operand 1254 states and 1492 transitions. Second operand has 36 states, 33 states have (on average 5.606060606060606) internal successors, (185), 34 states have internal predecessors, (185), 23 states have call successors, (44), 9 states have call predecessors, (44), 15 states have return successors, (47), 18 states have call predecessors, (47), 23 states have call successors, (47) [2021-11-23 02:30:40,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:30:40,354 INFO L93 Difference]: Finished difference Result 1794 states and 2166 transitions. [2021-11-23 02:30:40,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-23 02:30:40,355 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 33 states have (on average 5.606060606060606) internal successors, (185), 34 states have internal predecessors, (185), 23 states have call successors, (44), 9 states have call predecessors, (44), 15 states have return successors, (47), 18 states have call predecessors, (47), 23 states have call successors, (47) Word has length 156 [2021-11-23 02:30:40,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:30:40,357 INFO L225 Difference]: With dead ends: 1794 [2021-11-23 02:30:40,357 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 02:30:40,364 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 412 SyntacticMatches, 10 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3966 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=875, Invalid=6607, Unknown=0, NotChecked=0, Total=7482 [2021-11-23 02:30:40,364 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 423 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:30:40,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [426 Valid, 497 Invalid, 907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-23 02:30:40,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 02:30:40,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 02:30:40,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:30:40,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 02:30:40,366 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 156 [2021-11-23 02:30:40,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:30:40,367 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 02:30:40,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 33 states have (on average 5.606060606060606) internal successors, (185), 34 states have internal predecessors, (185), 23 states have call successors, (44), 9 states have call predecessors, (44), 15 states have return successors, (47), 18 states have call predecessors, (47), 23 states have call successors, (47) [2021-11-23 02:30:40,367 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 02:30:40,367 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 02:30:40,370 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 02:30:40,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-23 02:30:40,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-23 02:30:40,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 02:30:50,226 WARN L227 SmtUtils]: Spent 8.41s on a formula simplification. DAG size of input: 441 DAG size of output: 430 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-23 02:30:59,913 WARN L227 SmtUtils]: Spent 5.14s on a formula simplification. DAG size of input: 615 DAG size of output: 456 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-11-23 02:31:30,985 INFO L854 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 183 190) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (and (not (= ~methaneLevelCritical~0 0)) (not (= ~methaneLevelCritical~0 1))) (not (= 1 ~systemActive~0)) (= |old(~pumpRunning~0)| 0)) [2021-11-23 02:31:30,985 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 183 190) no Hoare annotation was computed. [2021-11-23 02:31:30,986 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 98 104) no Hoare annotation was computed. [2021-11-23 02:31:30,986 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 98 104) the Hoare annotation is: true [2021-11-23 02:31:30,986 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 938 949) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (and (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 1)))) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0)) .cse3 (not (<= ~waterLevel~0 2)) .cse4) (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-11-23 02:31:30,986 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 938 949) no Hoare annotation was computed. [2021-11-23 02:31:30,986 INFO L861 garLoopResultBuilder]: At program point L417(line 417) the Hoare annotation is: true [2021-11-23 02:31:30,987 INFO L858 garLoopResultBuilder]: For program point L417-1(line 417) no Hoare annotation was computed. [2021-11-23 02:31:30,987 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 411 440) no Hoare annotation was computed. [2021-11-23 02:31:30,987 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 411 440) the Hoare annotation is: true [2021-11-23 02:31:30,987 INFO L861 garLoopResultBuilder]: At program point L436(lines 411 440) the Hoare annotation is: true [2021-11-23 02:31:30,987 INFO L858 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2021-11-23 02:31:30,987 INFO L858 garLoopResultBuilder]: For program point L425(lines 425 429) no Hoare annotation was computed. [2021-11-23 02:31:30,987 INFO L861 garLoopResultBuilder]: At program point L425-1(lines 425 429) the Hoare annotation is: true [2021-11-23 02:31:30,988 INFO L861 garLoopResultBuilder]: At program point L421-2(lines 421 435) the Hoare annotation is: true [2021-11-23 02:31:30,988 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 950 958) the Hoare annotation is: true [2021-11-23 02:31:30,988 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 950 958) no Hoare annotation was computed. [2021-11-23 02:31:30,988 INFO L858 garLoopResultBuilder]: For program point L386-1(line 386) no Hoare annotation was computed. [2021-11-23 02:31:30,988 INFO L854 garLoopResultBuilder]: At program point L151(line 151) the Hoare annotation is: (let ((.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (and (not (= ~methaneLevelCritical~0 0)) (not (= ~methaneLevelCritical~0 1)))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse4 (or (= ~pumpRunning~0 0) (<= ~waterLevel~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse4) (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|))) (or .cse5 .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 (and .cse3 (= ~waterLevel~0 1) .cse4)) (or .cse5 (not (= 0 ~systemActive~0))))) [2021-11-23 02:31:30,989 INFO L854 garLoopResultBuilder]: At program point L151-1(lines 132 156) the Hoare annotation is: (let ((.cse15 (= ~methaneLevelCritical~0 1)) (.cse11 (= ~methaneLevelCritical~0 0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (not .cse11)) (.cse9 (not .cse15))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ~waterLevel~0 1)) (.cse3 (and .cse10 .cse9)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse14 (and (or .cse0 .cse11) (or .cse10 (not (= |old(~pumpRunning~0)| 1))))) (.cse12 (not (<= |old(~waterLevel~0)| 2))) (.cse13 (not (<= 2 |old(~waterLevel~0)|))) (.cse16 (not (= |#NULL.offset| 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= 1 ~systemActive~0))) (.cse17 (not (= ~head~0.offset 0))) (.cse18 (not (= |#NULL.base| 0))) (.cse19 (not (<= 0 |#StackHeapBarrier|))) (.cse20 (not (= ~head~0.base 0))) (.cse21 (not (= ~cleanupTimeShifts~0 4)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and .cse5 .cse6)) (or .cse1 .cse3 .cse4 (and (= |timeShift_processEnvironment_~tmp~1#1| 1) .cse5 .cse6) (and .cse7 .cse8 (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse9) (or (and .cse5 .cse10) (and .cse11 (= ~pumpRunning~0 1)))) .cse12 .cse13) (or .cse1 .cse3 .cse4 .cse14 .cse15 .cse6 .cse12 .cse13) (or .cse0 .cse1 .cse3 .cse4 .cse8 .cse12 .cse13) (or .cse16 .cse1 .cse7 .cse4 .cse17 .cse14 .cse10 .cse18 .cse19 .cse12 .cse20 .cse21 .cse13) (or .cse0 .cse16 .cse1 .cse7 .cse2 .cse4 .cse17 .cse10 .cse18 .cse19 .cse20 .cse21) (or .cse0 (not (= 0 ~systemActive~0))))))) [2021-11-23 02:31:30,989 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2021-11-23 02:31:30,989 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 77 96) no Hoare annotation was computed. [2021-11-23 02:31:30,989 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 148) no Hoare annotation was computed. [2021-11-23 02:31:30,989 INFO L854 garLoopResultBuilder]: At program point L136(lines 136 153) the Hoare annotation is: (let ((.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (and (not (= ~methaneLevelCritical~0 0)) (not (= ~methaneLevelCritical~0 1)))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (let ((.cse4 (+ ~waterLevel~0 1))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 (or (<= .cse4 |old(~waterLevel~0)|) (and .cse5 .cse6)) (or (and (not .cse5) (<= |old(~waterLevel~0)| .cse4)) (<= |old(~waterLevel~0)| ~waterLevel~0)))) (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|))) (or .cse7 .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 (and .cse5 .cse3 .cse6 (= ~waterLevel~0 1))) (or .cse7 (not (= 0 ~systemActive~0))))) [2021-11-23 02:31:30,990 INFO L858 garLoopResultBuilder]: For program point L392(lines 392 402) no Hoare annotation was computed. [2021-11-23 02:31:30,991 INFO L854 garLoopResultBuilder]: At program point L388(lines 388 405) the Hoare annotation is: (let ((.cse33 (= ~methaneLevelCritical~0 1)) (.cse29 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (= 1 ~systemActive~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse21 (not .cse29)) (.cse28 (not .cse33))) (let ((.cse1 (= ~pumpRunning~0 0)) (.cse6 (and .cse21 .cse28)) (.cse3 (= ~waterLevel~0 1)) (.cse25 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| ~methaneLevelCritical~0)) (.cse32 (and (or .cse0 .cse29) (or .cse21 (not (= |old(~pumpRunning~0)| 1))))) (.cse30 (not (<= |old(~waterLevel~0)| 2))) (.cse31 (not (<= 2 |old(~waterLevel~0)|))) (.cse12 (not (= |#NULL.offset| 0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse27 (= ~methAndRunningLastTime~0 0)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not .cse2)) (.cse20 (not (= ~head~0.offset 0))) (.cse23 (not (= |#NULL.base| 0))) (.cse34 (not (<= 0 |#StackHeapBarrier|))) (.cse24 (not (= ~head~0.base 0))) (.cse26 (not (= ~cleanupTimeShifts~0 4)))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 .cse5 .cse6 .cse7) (let ((.cse11 (select |#memory_int| 9)) (.cse10 (select |#memory_int| 1)) (.cse15 (select |#memory_int| 5)) (.cse8 (select |#memory_int| 6)) (.cse13 (select |#memory_int| 8)) (.cse14 (select |#memory_int| 26)) (.cse18 (select |#memory_int| 11)) (.cse16 (select |#memory_int| 7)) (.cse22 (select |#memory_int| 10)) (.cse17 (select |#memory_int| 27)) (.cse19 (select |#memory_int| 28)) (.cse9 (select |#memory_int| 25))) (or (not (= (select .cse8 1) 102)) (not (= (select |#length| 6) 4)) (not (= (select |#valid| 23) 1)) (not (= 101 (select .cse9 2))) (not (= (select |#length| 24) 13)) (not (= (select .cse9 6) 0)) .cse0 (not (= (select .cse10 0) 48)) (not (= (select .cse11 3) 0)) .cse12 (not (= (select |#valid| 26) 1)) (not (= (select |#length| 4) 13)) .cse4 (not (= (select .cse13 0) 79)) (not (= (select |#length| 27) 3)) (not (= 82 (select .cse14 1))) (not (= 31 (select |#length| 2))) (not (= (select .cse11 1) 102)) (not (= (select |#valid| 12) 1)) (not (= (select .cse11 0) 79)) (not (= (select .cse8 2) 102)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 13))) .cse5 (not (= (select .cse15 0) 79)) (not (= 2 (select |#length| 11))) (not (= 58 (select .cse16 5))) (not (= (select .cse11 2) 102)) .cse7 (not (= (select .cse8 3) 0)) (not (= 30 (select |#length| 18))) (not (= (select |#length| 15) 30)) (not (= 116 (select .cse9 3))) (not (= (select .cse17 1) 75)) (not (= (select |#valid| 6) 1)) (not (= (select |#length| 8) 3)) (not (= 25 (select |#length| 23))) (not (= 104 (select .cse9 4))) (not (= 67 (select .cse14 0))) (not (= (select .cse18 0) 10)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#length| 21) 30)) (not (= (select .cse14 2) 73)) (not (= (select .cse15 1) 110)) (not (= (select |#length| 20) 25)) (not (= (select |#valid| 3) 1)) (not (= 41 (select .cse19 0))) (not (= (select |#valid| 25) 1)) .cse20 (not (= (select |#valid| 20) 1)) (not (= (select |#valid| 21) 1)) (not (= (select |#valid| 11) 1)) (not (= (select |#valid| 16) 1)) (not (= (select |#valid| 28) 1)) (not (= (select .cse16 6) 0)) (not (= (select |#valid| 15) 1)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 3) 12)) (not (= 9 (select |#length| 16))) (not (= (select |#valid| 0) 0)) (not (= 109 (select .cse16 3))) .cse21 (not (= (select |#valid| 27) 1)) (not (= (select .cse10 1) 0)) (not (= 3 (select |#length| 5))) (not (= (select |#valid| 24) 1)) (not (= (select .cse16 1) 80)) (not (= (select |#valid| 19) 1)) (not (= (select .cse22 0) 41)) (not (= (select |#length| 28) 2)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 22) 1)) (not (= 3 (select |#length| 10))) (not (= (select .cse15 2) 0)) (not (= 7 (select |#length| 25))) (not (= (select .cse9 0) 44)) (not (= 112 (select .cse16 4))) (not (= (select |#valid| 8) 1)) (not (= (select .cse14 4) 0)) (not (= (select |#valid| 4) 1)) (not (= (select .cse17 2) 0)) .cse23 (not (= 7 (select |#length| 7))) (not (= (select .cse13 2) 0)) (not (= (select |#length| 17) 21)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select .cse8 0) 79)) (not (= 21 (select |#length| 14))) (not (= (select |#valid| 14) 1)) (not (= 110 (select .cse13 1))) (not (= (select |#valid| 13) 1)) (not (= 5 (select |#length| 26))) (not (= (select |#valid| 2) 1)) (not (= (select |#length| 9) 4)) (not (= (select .cse14 3) 84)) (not (= (select |#length| 22) 9)) (not (= (select .cse18 1) 0)) (not (= (select .cse22 2) 0)) (not (= (select |#valid| 17) 1)) (not (= 44 (select .cse16 0))) (not (= (select |#length| 19) 9)) (not (= 117 (select .cse16 2))) (not (= (select |#valid| 9) 1)) (not (= (select .cse9 5) 58)) (not (= 32 (select .cse22 1))) (not (= 30 (select |#length| 12))) .cse24 (not (= (select .cse17 0) 79)) .cse25 (not (= (select .cse19 1) 0)) .cse26 (not (= (select |#valid| 18) 1)) (not (= 77 (select .cse9 1))))) (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or (and .cse0 (= |timeShift_processEnvironment_~tmp~1#1| 1) .cse1 .cse2 .cse3) .cse4 .cse6 .cse7 (and .cse27 (= |old(~waterLevel~0)| ~waterLevel~0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse28) (or (and .cse1 .cse21) (and .cse29 (= ~pumpRunning~0 1))) .cse25) .cse30 .cse31) (or .cse4 .cse6 .cse7 .cse32 (and .cse3 .cse25) .cse33 .cse30 .cse31) (or .cse0 .cse4 .cse5 .cse7 .cse28 .cse25) (or .cse12 .cse4 .cse27 .cse7 .cse20 .cse32 .cse21 .cse23 .cse34 .cse30 .cse24 .cse26 .cse31) (or .cse0 .cse12 .cse4 .cse27 .cse5 .cse7 .cse20 .cse21 .cse23 .cse34 .cse24 .cse26))))) [2021-11-23 02:31:30,992 INFO L854 garLoopResultBuilder]: At program point L388-1(lines 380 408) the Hoare annotation is: (let ((.cse22 (= ~methaneLevelCritical~0 1))) (let ((.cse15 (not (= ~methaneLevelCritical~0 0))) (.cse26 (not .cse22))) (let ((.cse18 (= ~pumpRunning~0 0)) (.cse19 (= ~methAndRunningLastTime~0 0)) (.cse21 (and .cse15 .cse26)) (.cse20 (= ~waterLevel~0 1)) (.cse25 (not (<= |old(~waterLevel~0)| 2))) (.cse27 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse11 (not (= 1 ~systemActive~0))) (.cse24 (or (= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 0) (= ~pumpRunning~0 |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1|))) (.cse17 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| ~methaneLevelCritical~0))) (and (let ((.cse4 (select |#memory_int| 9)) (.cse3 (select |#memory_int| 1)) (.cse9 (select |#memory_int| 5)) (.cse0 (select |#memory_int| 6)) (.cse6 (select |#memory_int| 8)) (.cse7 (select |#memory_int| 26)) (.cse13 (select |#memory_int| 11)) (.cse10 (select |#memory_int| 7)) (.cse16 (select |#memory_int| 10)) (.cse12 (select |#memory_int| 27)) (.cse14 (select |#memory_int| 28)) (.cse1 (select |#memory_int| 25))) (or (not (= (select .cse0 1) 102)) (not (= (select |#length| 6) 4)) (not (= (select |#valid| 23) 1)) (not (= 101 (select .cse1 2))) (not (= (select |#length| 24) 13)) (not (= (select .cse1 6) 0)) .cse2 (not (= (select .cse3 0) 48)) (not (= (select .cse4 3) 0)) (not (= |#NULL.offset| 0)) (not (= (select |#valid| 26) 1)) (not (= (select |#length| 4) 13)) .cse5 (not (= (select .cse6 0) 79)) (not (= (select |#length| 27) 3)) (not (= 82 (select .cse7 1))) (not (= 31 (select |#length| 2))) (not (= (select .cse4 1) 102)) (not (= (select |#valid| 12) 1)) (not (= (select .cse4 0) 79)) (not (= (select .cse0 2) 102)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 13))) .cse8 (not (= (select .cse9 0) 79)) (not (= 2 (select |#length| 11))) (not (= 58 (select .cse10 5))) (not (= (select .cse4 2) 102)) .cse11 (not (= (select .cse0 3) 0)) (not (= 30 (select |#length| 18))) (not (= (select |#length| 15) 30)) (not (= 116 (select .cse1 3))) (not (= (select .cse12 1) 75)) (not (= (select |#valid| 6) 1)) (not (= (select |#length| 8) 3)) (not (= 25 (select |#length| 23))) (not (= 104 (select .cse1 4))) (not (= 67 (select .cse7 0))) (not (= (select .cse13 0) 10)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#length| 21) 30)) (not (= (select .cse7 2) 73)) (not (= (select .cse9 1) 110)) (not (= (select |#length| 20) 25)) (not (= (select |#valid| 3) 1)) (not (= 41 (select .cse14 0))) (not (= (select |#valid| 25) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 20) 1)) (not (= (select |#valid| 21) 1)) (not (= (select |#valid| 11) 1)) (not (= (select |#valid| 16) 1)) (not (= (select |#valid| 28) 1)) (not (= (select .cse10 6) 0)) (not (= (select |#valid| 15) 1)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 3) 12)) (not (= 9 (select |#length| 16))) (not (= (select |#valid| 0) 0)) (not (= 109 (select .cse10 3))) .cse15 (not (= (select |#valid| 27) 1)) (not (= (select .cse3 1) 0)) (not (= 3 (select |#length| 5))) (not (= (select |#valid| 24) 1)) (not (= (select .cse10 1) 80)) (not (= (select |#valid| 19) 1)) (not (= (select .cse16 0) 41)) (not (= (select |#length| 28) 2)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 22) 1)) (not (= 3 (select |#length| 10))) (not (= (select .cse9 2) 0)) (not (= 7 (select |#length| 25))) (not (= (select .cse1 0) 44)) (not (= 112 (select .cse10 4))) (not (= (select |#valid| 8) 1)) (not (= (select .cse7 4) 0)) (not (= (select |#valid| 4) 1)) (not (= (select .cse12 2) 0)) (not (= |#NULL.base| 0)) (not (= 7 (select |#length| 7))) (not (= (select .cse6 2) 0)) (not (= (select |#length| 17) 21)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select .cse0 0) 79)) (not (= 21 (select |#length| 14))) (not (= (select |#valid| 14) 1)) (not (= 110 (select .cse6 1))) (not (= (select |#valid| 13) 1)) (not (= 5 (select |#length| 26))) (not (= (select |#valid| 2) 1)) (not (= (select |#length| 9) 4)) (not (= (select .cse7 3) 84)) (not (= (select |#length| 22) 9)) (not (= (select .cse13 1) 0)) (not (= (select .cse16 2) 0)) (not (= (select |#valid| 17) 1)) (not (= 44 (select .cse10 0))) (not (= (select |#length| 19) 9)) (not (= 117 (select .cse10 2))) (not (= (select |#valid| 9) 1)) (not (= (select .cse1 5) 58)) (not (= 32 (select .cse16 1))) (not (= 30 (select |#length| 12))) (not (= ~head~0.base 0)) (not (= (select .cse12 0) 79)) .cse17 (not (= (select .cse14 1) 0)) (not (= ~cleanupTimeShifts~0 4)) (not (= (select |#valid| 18) 1)) (not (= 77 (select .cse1 1))))) (or .cse2 (not (= 0 ~systemActive~0)) (and .cse18 .cse19)) (let ((.cse23 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse2 (= |timeShift_processEnvironment_~tmp~1#1| 1) .cse18 .cse19 .cse20) .cse5 .cse21 .cse11 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse18 .cse19 .cse22 .cse23 .cse24 .cse17) .cse25 (and .cse19 .cse26 .cse23 .cse17 (= ~pumpRunning~0 1)) .cse27)) (or .cse2 (and .cse18 .cse19 .cse20) .cse5 .cse8 .cse21 .cse11) (or .cse5 .cse11 (and .cse20 .cse17) .cse15 (not (= |old(~pumpRunning~0)| 1)) .cse25 .cse27) (or .cse2 .cse5 .cse8 .cse11 .cse26 (and .cse24 .cse17)))))) [2021-11-23 02:31:30,992 INFO L854 garLoopResultBuilder]: At program point L54(line 54) the Hoare annotation is: (let ((.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (and (not (= ~methaneLevelCritical~0 0)) (not (= ~methaneLevelCritical~0 1)))) (.cse3 (not (= 1 ~systemActive~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3) (or .cse1 .cse2 .cse3 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= 0 ~systemActive~0))))) [2021-11-23 02:31:30,992 INFO L858 garLoopResultBuilder]: For program point L393(lines 393 399) no Hoare annotation was computed. [2021-11-23 02:31:30,992 INFO L854 garLoopResultBuilder]: At program point L146(line 146) the Hoare annotation is: (let ((.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (and (not (= ~methaneLevelCritical~0 0)) (not (= ~methaneLevelCritical~0 1)))) (.cse3 (not (= 1 ~systemActive~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3) (or .cse1 .cse2 .cse3 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= 0 ~systemActive~0))))) [2021-11-23 02:31:30,993 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 74 97) the Hoare annotation is: (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (and (not (= ~methaneLevelCritical~0 0)) (not (= ~methaneLevelCritical~0 1)))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse3 .cse5 .cse6 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (and .cse1 .cse4 (= ~waterLevel~0 1)) .cse3 (not (= |old(~waterLevel~0)| 1)) .cse5 .cse6))) [2021-11-23 02:31:30,993 INFO L854 garLoopResultBuilder]: At program point L142(line 142) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (and .cse4 (not (= ~methaneLevelCritical~0 1)))) (.cse3 (not (= 1 ~systemActive~0))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3) (or (not (= |#NULL.offset| 0)) .cse1 (= ~methAndRunningLastTime~0 0) .cse3 (not (= ~head~0.offset 0)) .cse4 (not (= |old(~pumpRunning~0)| 1)) (not (= |#NULL.base| 0)) (not (<= 0 |#StackHeapBarrier|)) .cse5 (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)) .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse5 .cse6) (or .cse1 .cse2 .cse3 .cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_processEnvironment_~tmp~1#1| 1) (= ~waterLevel~0 1)) .cse6) (or .cse0 (not (= 0 ~systemActive~0)))))) [2021-11-23 02:31:30,993 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 74 97) no Hoare annotation was computed. [2021-11-23 02:31:30,993 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-11-23 02:31:30,994 INFO L854 garLoopResultBuilder]: At program point L386(line 386) the Hoare annotation is: (let ((.cse16 (= ~methaneLevelCritical~0 1)) (.cse12 (= ~methaneLevelCritical~0 0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse11 (not .cse12)) (.cse10 (not .cse16))) (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse7 (= ~waterLevel~0 1)) (.cse5 (and .cse11 .cse10)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse15 (and (or .cse0 .cse12) (or .cse11 (not (= |old(~pumpRunning~0)| 1))))) (.cse13 (not (<= |old(~waterLevel~0)| 2))) (.cse14 (not (<= 2 |old(~waterLevel~0)|))) (.cse17 (not (= |#NULL.offset| 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (= ~methAndRunningLastTime~0 0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse6 (not (= 1 ~systemActive~0))) (.cse18 (not (= ~head~0.offset 0))) (.cse19 (not (= |#NULL.base| 0))) (.cse20 (not (<= 0 |#StackHeapBarrier|))) (.cse21 (not (= ~head~0.base 0))) (.cse22 (not (= ~cleanupTimeShifts~0 4)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5 .cse6 (and .cse1 .cse7)) (or .cse0 .cse3 .cse8 .cse2) (or .cse3 .cse5 .cse6 (and (= |timeShift_processEnvironment_~tmp~1#1| 1) .cse1 .cse7) (and .cse8 .cse9 (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10) (or (and .cse1 .cse11) (and .cse12 (= ~pumpRunning~0 1)))) .cse13 .cse14) (or .cse3 .cse5 .cse6 .cse15 .cse16 .cse7 .cse13 .cse14) (or .cse0 .cse3 .cse5 .cse6 .cse9 .cse13 .cse14) (or .cse17 .cse3 .cse8 .cse6 .cse18 .cse15 .cse11 .cse19 .cse20 .cse13 .cse21 .cse22 .cse14) (or .cse0 .cse17 .cse3 .cse8 .cse4 .cse6 .cse18 .cse11 .cse19 .cse20 .cse21 .cse22))))) [2021-11-23 02:31:30,994 INFO L854 garLoopResultBuilder]: At program point L362(lines 313 363) the Hoare annotation is: false [2021-11-23 02:31:30,994 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 356) no Hoare annotation was computed. [2021-11-23 02:31:30,994 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-11-23 02:31:30,994 INFO L854 garLoopResultBuilder]: At program point L350-2(lines 344 357) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (or (= ~methaneLevelCritical~0 0) (= ~methaneLevelCritical~0 1))) (.cse3 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1)) (and .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 (<= ~waterLevel~0 2)) (and .cse0 .cse4 (= 0 ~systemActive~0)))) [2021-11-23 02:31:30,994 INFO L858 garLoopResultBuilder]: For program point L334(lines 334 340) no Hoare annotation was computed. [2021-11-23 02:31:30,995 INFO L858 garLoopResultBuilder]: For program point L334-1(lines 334 340) no Hoare annotation was computed. [2021-11-23 02:31:30,995 INFO L854 garLoopResultBuilder]: At program point L359(lines 314 361) the Hoare annotation is: (let ((.cse5 (= ~methaneLevelCritical~0 0))) (let ((.cse1 (or .cse5 (= ~methaneLevelCritical~0 1))) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3 (or (and .cse4 (not .cse5)) (and .cse5 (= ~pumpRunning~0 1)))) (and .cse4 .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1)) (and .cse4 .cse0 .cse3 (= 0 ~systemActive~0))))) [2021-11-23 02:31:30,995 INFO L854 garLoopResultBuilder]: At program point L326(line 326) the Hoare annotation is: (let ((.cse5 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (or .cse5 (= ~methaneLevelCritical~0 1))) (.cse3 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1)) (and .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 (<= ~waterLevel~0 2) (or (and .cse0 (not .cse5)) (and .cse5 (= ~pumpRunning~0 1)))) (and .cse0 .cse1 .cse4 (= 0 ~systemActive~0))))) [2021-11-23 02:31:30,995 INFO L858 garLoopResultBuilder]: For program point L289(lines 289 295) no Hoare annotation was computed. [2021-11-23 02:31:30,995 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 02:31:30,995 INFO L854 garLoopResultBuilder]: At program point L289-1(lines 289 295) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (not (= 0 ~systemActive~0))) (and .cse0 (= ~methAndRunningLastTime~0 0) .cse1))) [2021-11-23 02:31:30,996 INFO L854 garLoopResultBuilder]: At program point L496(lines 496 503) the Hoare annotation is: (let ((.cse2 (select |#memory_int| 11)) (.cse8 (select |#memory_int| 8)) (.cse4 (select |#memory_int| 9)) (.cse10 (select |#memory_int| 28)) (.cse5 (select |#memory_int| 7)) (.cse1 (select |#memory_int| 6)) (.cse11 (select |#memory_int| 1)) (.cse9 (select |#memory_int| 25)) (.cse3 (select |#memory_int| 10)) (.cse7 (select |#memory_int| 5)) (.cse6 (select |#memory_int| 27)) (.cse0 (select |#memory_int| 26))) (and (= (select .cse0 3) 84) (= (select .cse1 2) 102) (= (select .cse2 1) 0) (= 1 (select |#valid| 5)) (= 32 (select .cse3 1)) (= (select |#length| 3) 12) (= (select .cse4 0) 79) (= (select |#valid| 15) 1) (= 112 (select .cse5 4)) (= (select .cse1 0) 79) (= 82 (select .cse0 1)) (= |ULTIMATE.start_valid_product_~retValue_acc~6#1| 1) (= 3 (select |#length| 10)) (= ~pumpRunning~0 0) (= (select |#valid| 26) 1) (= 67 (select .cse0 0)) (= (select .cse5 1) 80) (= (select .cse6 2) 0) (= 9 (select |#length| 16)) (= (select |#length| 8) 3) (= ~methAndRunningLastTime~0 0) (= (select |#length| 6) 4) (= (select |#length| 20) 25) (= (select .cse6 1) 75) (= (select |#valid| 9) 1) (= (select |#length| 4) 13) (= 117 (select .cse5 2)) (= (select .cse7 2) 0) (= 7 (select |#length| 7)) (= (select |#length| 28) 2) (= 110 (select .cse8 1)) (= (select .cse1 1) 102) (= (select |#length| 15) 30) (= (select |#valid| 11) 1) (= (select |#valid| 27) 1) (= ~methaneLevelCritical~0 0) (= 58 (select .cse5 5)) (= (select .cse8 0) 79) (= 44 (select .cse5 0)) (= |ULTIMATE.start_valid_product_~retValue_acc~6#1| |ULTIMATE.start_valid_product_#res#1|) (= 31 (select |#length| 2)) (= ~head~0.offset 0) (= 30 (select |#length| 12)) (= (select |#length| 24) 13) (= (select |#length| 27) 3) (= (select .cse2 0) 10) (= 2 (select |#length| 1)) (= (select .cse9 5) 58) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 5 (select |#length| 26)) (= 77 (select .cse9 1)) (= (select |#valid| 18) 1) (= |ULTIMATE.start_valid_product_#res#1| |ULTIMATE.start_main_~tmp~7#1|) (= (select |#valid| 22) 1) (= 3 (select |#length| 5)) (= 25 (select |#length| 23)) (= 2 (select |#length| 11)) (= 1 ~systemActive~0) (= (select .cse9 6) 0) (= (select |#valid| 24) 1) (= (select .cse0 4) 0) (= (select .cse4 3) 0) (= (select |#valid| 12) 1) (= (select |#length| 19) 9) (= (select |#valid| 28) 1) (= (select .cse10 1) 0) (= (select |#valid| 4) 1) (= (select .cse4 1) 102) (= 9 (select |#length| 13)) (= (select .cse8 2) 0) (= (select |#valid| 1) 1) (= (select .cse5 6) 0) (= (select .cse4 2) 102) (= (select |#valid| 20) 1) (= (select .cse7 0) 79) (= (select |#valid| 21) 1) (= (select |#length| 9) 4) (= (select |#length| 22) 9) (= (select |#valid| 14) 1) (= (select |#length| 21) 30) (= (select |#valid| 0) 0) (= (select |#valid| 25) 1) (= (select |#length| 17) 21) (= ~head~0.base 0) (= 101 (select .cse9 2)) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~waterLevel~0 1) (= (select .cse3 2) 0) (= (select .cse9 0) 44) (= (select .cse11 0) 48) (= (select |#valid| 23) 1) (= 41 (select .cse10 0)) (= 116 (select .cse9 3)) (= 7 (select |#length| 25)) (= (select |#valid| 19) 1) (= 109 (select .cse5 3)) (= (select .cse1 3) 0) (= (select |#valid| 16) 1) (= (select |#valid| 6) 1) (= 30 (select |#length| 18)) (= (select .cse11 1) 0) (= 104 (select .cse9 4)) (= (select .cse3 0) 41) (= (select |#valid| 17) 1) (= (select |#valid| 10) 1) (= (select .cse7 1) 110) (= (select .cse6 0) 79) (= (select |#valid| 8) 1) (= (select |#valid| 13) 1) (= (select .cse0 2) 73) (< 0 |#StackHeapBarrier|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (= 21 (select |#length| 14)))) [2021-11-23 02:31:30,996 INFO L861 garLoopResultBuilder]: At program point L496-2(lines 496 503) the Hoare annotation is: true [2021-11-23 02:31:30,997 INFO L858 garLoopResultBuilder]: For program point L315(lines 314 361) no Hoare annotation was computed. [2021-11-23 02:31:30,997 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 357) no Hoare annotation was computed. [2021-11-23 02:31:30,997 INFO L854 garLoopResultBuilder]: At program point L336(line 336) the Hoare annotation is: (let ((.cse1 (or (= ~methaneLevelCritical~0 0) (= ~methaneLevelCritical~0 1))) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1)) (and .cse4 .cse0 .cse3 (= 0 ~systemActive~0)))) [2021-11-23 02:31:30,997 INFO L861 garLoopResultBuilder]: At program point L365(lines 304 369) the Hoare annotation is: true [2021-11-23 02:31:30,997 INFO L858 garLoopResultBuilder]: For program point L324(lines 324 330) no Hoare annotation was computed. [2021-11-23 02:31:30,997 INFO L858 garLoopResultBuilder]: For program point L324-1(lines 324 330) no Hoare annotation was computed. [2021-11-23 02:31:30,998 INFO L854 garLoopResultBuilder]: At program point L291(line 291) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 02:31:30,998 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 106 130) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (and (not (= ~methaneLevelCritical~0 0)) (not (= ~methaneLevelCritical~0 1)))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2)) .cse4) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-11-23 02:31:30,999 INFO L854 garLoopResultBuilder]: At program point L120(line 120) the Hoare annotation is: (let ((.cse14 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse1 (not (= ~waterLevel~0 1))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse17 (and .cse14 (not (= ~methaneLevelCritical~0 1)))) (.cse10 (not (= 1 ~systemActive~0))) (.cse16 (not (= ~methAndRunningLastTime~0 0)))) (and (let ((.cse5 (select |#memory_int| 9)) (.cse4 (select |#memory_int| 1)) (.cse8 (select |#memory_int| 5)) (.cse0 (select |#memory_int| 6)) (.cse6 (select |#memory_int| 8)) (.cse7 (select |#memory_int| 26)) (.cse12 (select |#memory_int| 11)) (.cse9 (select |#memory_int| 7)) (.cse15 (select |#memory_int| 10)) (.cse11 (select |#memory_int| 27)) (.cse13 (select |#memory_int| 28)) (.cse2 (select |#memory_int| 25))) (or (not (= (select .cse0 1) 102)) (not (= (select |#length| 6) 4)) .cse1 (not (= (select |#valid| 23) 1)) (not (= 101 (select .cse2 2))) (not (= (select |#length| 24) 13)) (not (= (select .cse2 6) 0)) .cse3 (not (= (select .cse4 0) 48)) (not (= (select .cse5 3) 0)) (not (= |#NULL.offset| 0)) (not (= (select |#valid| 26) 1)) (not (= (select |#length| 4) 13)) (not (= (select .cse6 0) 79)) (not (= (select |#length| 27) 3)) (not (= 82 (select .cse7 1))) (not (= 31 (select |#length| 2))) (not (= (select .cse5 1) 102)) (not (= (select |#valid| 12) 1)) (not (= (select .cse5 0) 79)) (not (= (select .cse0 2) 102)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 13))) (not (= (select .cse8 0) 79)) (not (= 2 (select |#length| 11))) (not (= 58 (select .cse9 5))) (not (= (select .cse5 2) 102)) .cse10 (not (= (select .cse0 3) 0)) (not (= 30 (select |#length| 18))) (not (= (select |#length| 15) 30)) (not (= 116 (select .cse2 3))) (not (= (select .cse11 1) 75)) (not (= (select |#valid| 6) 1)) (not (= (select |#length| 8) 3)) (not (= 25 (select |#length| 23))) (not (= 104 (select .cse2 4))) (not (= 67 (select .cse7 0))) (not (= (select .cse12 0) 10)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#length| 21) 30)) (not (= (select .cse7 2) 73)) (not (= (select .cse8 1) 110)) (not (= (select |#length| 20) 25)) (not (= (select |#valid| 3) 1)) (not (= 41 (select .cse13 0))) (not (= (select |#valid| 25) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 20) 1)) (not (= (select |#valid| 21) 1)) (not (= (select |#valid| 11) 1)) (not (= (select |#valid| 16) 1)) (not (= (select |#valid| 28) 1)) (not (= (select .cse9 6) 0)) (not (= (select |#valid| 15) 1)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 3) 12)) (not (= 9 (select |#length| 16))) (not (= (select |#valid| 0) 0)) (not (= 109 (select .cse9 3))) .cse14 (not (= (select |#valid| 27) 1)) (not (= (select .cse4 1) 0)) (not (= 3 (select |#length| 5))) (not (= (select |#valid| 24) 1)) (not (= (select .cse9 1) 80)) (not (= (select |#valid| 19) 1)) (not (= (select .cse15 0) 41)) (not (= (select |#length| 28) 2)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 22) 1)) (not (= 3 (select |#length| 10))) (not (= (select .cse8 2) 0)) (not (= 7 (select |#length| 25))) (not (= (select .cse2 0) 44)) (not (= 112 (select .cse9 4))) (not (= (select |#valid| 8) 1)) (not (= (select .cse7 4) 0)) (not (= (select |#valid| 4) 1)) (not (= (select .cse11 2) 0)) (not (= |#NULL.base| 0)) (not (= 7 (select |#length| 7))) (not (= (select .cse6 2) 0)) (not (= (select |#length| 17) 21)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select .cse0 0) 79)) (not (= 21 (select |#length| 14))) (not (= (select |#valid| 14) 1)) (not (= 110 (select .cse6 1))) (not (= (select |#valid| 13) 1)) (not (= 5 (select |#length| 26))) (not (= (select |#valid| 2) 1)) (not (= (select |#length| 9) 4)) (not (= (select .cse7 3) 84)) (not (= (select |#length| 22) 9)) .cse16 (not (= (select .cse12 1) 0)) (not (= (select .cse15 2) 0)) (not (= (select |#valid| 17) 1)) (not (= 44 (select .cse9 0))) (not (= (select |#length| 19) 9)) (not (= 117 (select .cse9 2))) (not (= (select |#valid| 9) 1)) (not (= (select .cse2 5) 58)) (not (= 32 (select .cse15 1))) (not (= 30 (select |#length| 12))) (and (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~12#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~retValue_acc~2#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~12#1|)) (not (= ~head~0.base 0)) (not (= (select .cse11 0) 79)) (not (= (select .cse13 1) 0)) (not (= ~cleanupTimeShifts~0 4)) (not (= (select |#valid| 18) 1)) (not (= 77 (select .cse2 1))))) (or .cse3 .cse17 .cse10 (not (<= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2)) .cse16) (or .cse1 .cse3 .cse17 .cse10 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0)) .cse16)))) [2021-11-23 02:31:30,999 INFO L858 garLoopResultBuilder]: For program point L114(lines 114 122) no Hoare annotation was computed. [2021-11-23 02:31:30,999 INFO L854 garLoopResultBuilder]: At program point L110(lines 110 127) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (and (not (= ~methaneLevelCritical~0 0)) (not (= ~methaneLevelCritical~0 1)))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2)) .cse4) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-11-23 02:31:30,999 INFO L854 garLoopResultBuilder]: At program point L125(line 125) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (not (= ~methaneLevelCritical~0 0)) (not (= ~methaneLevelCritical~0 1)))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2)) .cse3))) [2021-11-23 02:31:30,999 INFO L858 garLoopResultBuilder]: For program point L125-1(lines 106 130) no Hoare annotation was computed. [2021-11-23 02:31:31,000 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 106 130) no Hoare annotation was computed. [2021-11-23 02:31:31,000 INFO L854 garLoopResultBuilder]: At program point L196(line 196) the Hoare annotation is: (let ((.cse17 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse1 (and .cse17 (not (= ~methaneLevelCritical~0 1)))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 2 ~waterLevel~0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 1)) .cse5 .cse3) (let ((.cse9 (select |#memory_int| 9)) (.cse8 (select |#memory_int| 1)) (.cse12 (select |#memory_int| 5)) (.cse6 (select |#memory_int| 6)) (.cse10 (select |#memory_int| 8)) (.cse11 (select |#memory_int| 26)) (.cse15 (select |#memory_int| 11)) (.cse13 (select |#memory_int| 7)) (.cse18 (select |#memory_int| 10)) (.cse14 (select |#memory_int| 27)) (.cse16 (select |#memory_int| 28)) (.cse7 (select |#memory_int| 25))) (or (not (= (select .cse6 1) 102)) (not (= (select |#length| 6) 4)) (not (= (select |#valid| 23) 1)) (not (= 101 (select .cse7 2))) (not (= (select |#length| 24) 13)) (not (= (select .cse7 6) 0)) .cse0 (not (= (select .cse8 0) 48)) (not (= (select .cse9 3) 0)) (not (= |#NULL.offset| 0)) (not (= (select |#valid| 26) 1)) (not (= (select |#length| 4) 13)) (not (= (select .cse10 0) 79)) (not (= (select |#length| 27) 3)) (not (= 82 (select .cse11 1))) (not (= 31 (select |#length| 2))) (not (= (select .cse9 1) 102)) (not (= (select |#valid| 12) 1)) (not (= (select .cse9 0) 79)) (not (= (select .cse6 2) 102)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 13))) (not (= (select .cse12 0) 79)) (not (= 2 (select |#length| 11))) (not (= 58 (select .cse13 5))) (not (= (select .cse9 2) 102)) .cse2 (not (= (select .cse6 3) 0)) (not (= 30 (select |#length| 18))) (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1| 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~retValue_acc~2#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 1) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~12#1|)) (not (= (select |#length| 15) 30)) (not (= 116 (select .cse7 3))) (not (= (select .cse14 1) 75)) (not (= (select |#valid| 6) 1)) (not (= (select |#length| 8) 3)) (not (= 25 (select |#length| 23))) (not (= 104 (select .cse7 4))) (not (= 67 (select .cse11 0))) (not (= (select .cse15 0) 10)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#length| 21) 30)) (not (= (select .cse11 2) 73)) (not (= (select .cse12 1) 110)) (not (= (select |#length| 20) 25)) (not (= (select |#valid| 3) 1)) (not (= 41 (select .cse16 0))) (not (= (select |#valid| 25) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 20) 1)) .cse4 (not (= (select |#valid| 21) 1)) (not (= (select |#valid| 11) 1)) (not (= (select |#valid| 16) 1)) (not (= (select |#valid| 28) 1)) (not (= (select .cse13 6) 0)) (not (= (select |#valid| 15) 1)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 3) 12)) (not (= 9 (select |#length| 16))) (not (= (select |#valid| 0) 0)) (not (= 109 (select .cse13 3))) .cse17 (not (= (select |#valid| 27) 1)) (not (= (select .cse8 1) 0)) (not (= 3 (select |#length| 5))) (not (= (select |#valid| 24) 1)) (not (= (select .cse13 1) 80)) (not (= (select |#valid| 19) 1)) (not (= (select .cse18 0) 41)) (not (= (select |#length| 28) 2)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 22) 1)) (not (= 3 (select |#length| 10))) (not (= (select .cse12 2) 0)) (not (= 7 (select |#length| 25))) (not (= (select .cse7 0) 44)) (not (= 112 (select .cse13 4))) (not (= (select |#valid| 8) 1)) (not (= (select .cse11 4) 0)) (not (= (select |#valid| 4) 1)) .cse5 (not (= (select .cse14 2) 0)) (not (= |#NULL.base| 0)) (not (= 7 (select |#length| 7))) (not (= (select .cse10 2) 0)) (not (= (select |#length| 17) 21)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select .cse6 0) 79)) (not (= 21 (select |#length| 14))) (not (= (select |#valid| 14) 1)) (not (= 110 (select .cse10 1))) (not (= (select |#valid| 13) 1)) (not (= 5 (select |#length| 26))) (not (= (select |#valid| 2) 1)) (not (= (select |#length| 9) 4)) (not (= (select .cse11 3) 84)) (not (= (select |#length| 22) 9)) .cse3 (not (= (select .cse15 1) 0)) (not (= (select .cse18 2) 0)) (not (= (select |#valid| 17) 1)) (not (= 44 (select .cse13 0))) (not (= (select |#length| 19) 9)) (not (= 117 (select .cse13 2))) (not (= (select |#valid| 9) 1)) (not (= (select .cse7 5) 58)) (not (= 32 (select .cse18 1))) (not (= 30 (select |#length| 12))) (not (= ~head~0.base 0)) (not (= (select .cse14 0) 79)) (not (= (select .cse16 1) 0)) (not (= ~cleanupTimeShifts~0 4)) (not (= (select |#valid| 18) 1)) (not (= 77 (select .cse7 1)))))))) [2021-11-23 02:31:31,001 INFO L854 garLoopResultBuilder]: At program point L196-1(line 196) the Hoare annotation is: (let ((.cse16 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and .cse16 (not (= ~methaneLevelCritical~0 1)))) (.cse2 (not (= 1 ~systemActive~0))) (.cse15 (not (<= 2 ~waterLevel~0))) (.cse18 (not (<= ~waterLevel~0 2))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (let ((.cse7 (select |#memory_int| 9)) (.cse6 (select |#memory_int| 1)) (.cse10 (select |#memory_int| 5)) (.cse4 (select |#memory_int| 6)) (.cse8 (select |#memory_int| 8)) (.cse9 (select |#memory_int| 26)) (.cse13 (select |#memory_int| 11)) (.cse11 (select |#memory_int| 7)) (.cse17 (select |#memory_int| 10)) (.cse12 (select |#memory_int| 27)) (.cse14 (select |#memory_int| 28)) (.cse5 (select |#memory_int| 25))) (or (not (= (select .cse4 1) 102)) (not (= (select |#length| 6) 4)) (not (= (select |#valid| 23) 1)) (not (= 101 (select .cse5 2))) (not (= (select |#length| 24) 13)) (not (= (select .cse5 6) 0)) .cse0 (not (= (select .cse6 0) 48)) (not (= (select .cse7 3) 0)) (not (= |#NULL.offset| 0)) (not (= (select |#valid| 26) 1)) (not (= (select |#length| 4) 13)) (not (= (select .cse8 0) 79)) (not (= (select |#length| 27) 3)) (not (= 82 (select .cse9 1))) (not (= 31 (select |#length| 2))) (not (= (select .cse7 1) 102)) (not (= (select |#valid| 12) 1)) (not (= (select .cse7 0) 79)) (not (= (select .cse4 2) 102)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 13))) (not (= (select .cse10 0) 79)) (not (= 2 (select |#length| 11))) (not (= 58 (select .cse11 5))) (not (= (select .cse7 2) 102)) .cse2 (not (= (select .cse4 3) 0)) (not (= 30 (select |#length| 18))) (not (= (select |#length| 15) 30)) (not (= 116 (select .cse5 3))) (not (= (select .cse12 1) 75)) (not (= (select |#valid| 6) 1)) (not (= (select |#length| 8) 3)) (not (= 25 (select |#length| 23))) (not (= 104 (select .cse5 4))) (not (= 67 (select .cse9 0))) (not (= (select .cse13 0) 10)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#length| 21) 30)) (not (= (select .cse9 2) 73)) (not (= (select .cse10 1) 110)) (not (= (select |#length| 20) 25)) (not (= (select |#valid| 3) 1)) (not (= 41 (select .cse14 0))) (not (= (select |#valid| 25) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 20) 1)) .cse15 (not (= (select |#valid| 21) 1)) (not (= (select |#valid| 11) 1)) (not (= (select |#valid| 16) 1)) (not (= (select |#valid| 28) 1)) (not (= (select .cse11 6) 0)) (not (= (select |#valid| 15) 1)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 3) 12)) (not (= 9 (select |#length| 16))) (not (= (select |#valid| 0) 0)) (not (= 109 (select .cse11 3))) .cse16 (not (= (select |#valid| 27) 1)) (not (= (select .cse6 1) 0)) (not (= 3 (select |#length| 5))) (not (= (select |#valid| 24) 1)) (not (= (select .cse11 1) 80)) (not (= (select |#valid| 19) 1)) (not (= (select .cse17 0) 41)) (not (= (select |#length| 28) 2)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 22) 1)) (not (= 3 (select |#length| 10))) (not (= (select .cse10 2) 0)) (not (= 7 (select |#length| 25))) (not (= (select .cse5 0) 44)) (not (= 112 (select .cse11 4))) (not (= (select |#valid| 8) 1)) (not (= (select .cse9 4) 0)) (not (= (select |#valid| 4) 1)) .cse18 (not (= (select .cse12 2) 0)) (not (= |#NULL.base| 0)) (not (= 7 (select |#length| 7))) (not (= (select .cse8 2) 0)) (not (= (select |#length| 17) 21)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select .cse4 0) 79)) (not (= 21 (select |#length| 14))) (not (= (select |#valid| 14) 1)) (not (= 110 (select .cse8 1))) (not (= (select |#valid| 13) 1)) (not (= 5 (select |#length| 26))) (and (<= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 1) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~retValue_acc~2#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1|) (<= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1|) (<= 0 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~12#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1|) (<= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 1)) (not (= (select |#valid| 2) 1)) (not (= (select |#length| 9) 4)) (not (= (select .cse9 3) 84)) (not (= (select |#length| 22) 9)) .cse3 (not (= (select .cse13 1) 0)) (not (= (select .cse17 2) 0)) (not (= (select |#valid| 17) 1)) (not (= 44 (select .cse11 0))) (not (= (select |#length| 19) 9)) (not (= 117 (select .cse11 2))) (not (= (select |#valid| 9) 1)) (not (= (select .cse5 5) 58)) (not (= 32 (select .cse17 1))) (not (= 30 (select |#length| 12))) (not (= ~head~0.base 0)) (not (= (select .cse12 0) 79)) (not (= (select .cse14 1) 0)) (not (= ~cleanupTimeShifts~0 4)) (not (= (select |#valid| 18) 1)) (not (= 77 (select .cse5 1))))) (or .cse0 .cse1 .cse2 .cse15 .cse18 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 1) (= |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#t~ret7#1| ~methaneLevelCritical~0)) .cse3)))) [2021-11-23 02:31:31,002 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 926 937) no Hoare annotation was computed. [2021-11-23 02:31:31,002 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 926 937) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (not .cse1))) (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse3 (and .cse2 (not (= ~methaneLevelCritical~0 1)))) (.cse4 (not (= 1 ~systemActive~0))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= ~methAndRunningLastTime~0 0)))) (and (or (and (or .cse0 .cse1) (or .cse2 (not (= ~pumpRunning~0 1)))) .cse3 .cse4 .cse5 (not (<= |old(~waterLevel~0)| 2)) .cse6 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse5 .cse6))))) [2021-11-23 02:31:31,005 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:31:31,007 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 02:31:31,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:31:31 BoogieIcfgContainer [2021-11-23 02:31:31,076 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 02:31:31,076 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 02:31:31,077 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 02:31:31,077 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 02:31:31,077 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:14" (3/4) ... [2021-11-23 02:31:31,080 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 02:31:31,086 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-23 02:31:31,086 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-23 02:31:31,086 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 02:31:31,086 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 02:31:31,087 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-23 02:31:31,087 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 02:31:31,087 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2021-11-23 02:31:31,087 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 02:31:31,097 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 78 nodes and edges [2021-11-23 02:31:31,098 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2021-11-23 02:31:31,099 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-23 02:31:31,099 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 02:31:31,100 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 02:31:31,101 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 02:31:31,101 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 02:31:31,125 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((unknown-#memory_int-unknown[26][3] == 84 && unknown-#memory_int-unknown[6][2] == 102) && unknown-#memory_int-unknown[11][1] == 0) && 1 == \valid[5]) && 32 == unknown-#memory_int-unknown[10][1]) && unknown-#length-unknown[3] == 12) && unknown-#memory_int-unknown[9][0] == 79) && \valid[15] == 1) && 112 == unknown-#memory_int-unknown[7][4]) && unknown-#memory_int-unknown[6][0] == 79) && 82 == unknown-#memory_int-unknown[26][1]) && retValue_acc == 1) && 3 == unknown-#length-unknown[10]) && pumpRunning == 0) && \valid[26] == 1) && 67 == unknown-#memory_int-unknown[26][0]) && unknown-#memory_int-unknown[7][1] == 80) && unknown-#memory_int-unknown[27][2] == 0) && 9 == unknown-#length-unknown[16]) && unknown-#length-unknown[8] == 3) && methAndRunningLastTime == 0) && unknown-#length-unknown[6] == 4) && unknown-#length-unknown[20] == 25) && unknown-#memory_int-unknown[27][1] == 75) && \valid[9] == 1) && unknown-#length-unknown[4] == 13) && 117 == unknown-#memory_int-unknown[7][2]) && unknown-#memory_int-unknown[5][2] == 0) && 7 == unknown-#length-unknown[7]) && unknown-#length-unknown[28] == 2) && 110 == unknown-#memory_int-unknown[8][1]) && unknown-#memory_int-unknown[6][1] == 102) && unknown-#length-unknown[15] == 30) && \valid[11] == 1) && \valid[27] == 1) && methaneLevelCritical == 0) && 58 == unknown-#memory_int-unknown[7][5]) && unknown-#memory_int-unknown[8][0] == 79) && 44 == unknown-#memory_int-unknown[7][0]) && retValue_acc == \result) && 31 == unknown-#length-unknown[2]) && head == 0) && 30 == unknown-#length-unknown[12]) && unknown-#length-unknown[24] == 13) && unknown-#length-unknown[27] == 3) && unknown-#memory_int-unknown[11][0] == 10) && 2 == unknown-#length-unknown[1]) && unknown-#memory_int-unknown[25][5] == 58) && \valid[3] == 1) && \valid[7] == 1) && 5 == unknown-#length-unknown[26]) && 77 == unknown-#memory_int-unknown[25][1]) && \valid[18] == 1) && \result == tmp) && \valid[22] == 1) && 3 == unknown-#length-unknown[5]) && 25 == unknown-#length-unknown[23]) && 2 == unknown-#length-unknown[11]) && 1 == systemActive) && unknown-#memory_int-unknown[25][6] == 0) && \valid[24] == 1) && unknown-#memory_int-unknown[26][4] == 0) && unknown-#memory_int-unknown[9][3] == 0) && \valid[12] == 1) && unknown-#length-unknown[19] == 9) && \valid[28] == 1) && unknown-#memory_int-unknown[28][1] == 0) && \valid[4] == 1) && unknown-#memory_int-unknown[9][1] == 102) && 9 == unknown-#length-unknown[13]) && unknown-#memory_int-unknown[8][2] == 0) && \valid[1] == 1) && unknown-#memory_int-unknown[7][6] == 0) && unknown-#memory_int-unknown[9][2] == 102) && \valid[20] == 1) && unknown-#memory_int-unknown[5][0] == 79) && \valid[21] == 1) && unknown-#length-unknown[9] == 4) && unknown-#length-unknown[22] == 9) && \valid[14] == 1) && unknown-#length-unknown[21] == 30) && \valid[0] == 0) && \valid[25] == 1) && unknown-#length-unknown[17] == 21) && head == 0) && 101 == unknown-#memory_int-unknown[25][2]) && \valid[2] == 1) && #NULL == 0) && waterLevel == 1) && unknown-#memory_int-unknown[10][2] == 0) && unknown-#memory_int-unknown[25][0] == 44) && unknown-#memory_int-unknown[1][0] == 48) && \valid[23] == 1) && 41 == unknown-#memory_int-unknown[28][0]) && 116 == unknown-#memory_int-unknown[25][3]) && 7 == unknown-#length-unknown[25]) && \valid[19] == 1) && 109 == unknown-#memory_int-unknown[7][3]) && unknown-#memory_int-unknown[6][3] == 0) && \valid[16] == 1) && \valid[6] == 1) && 30 == unknown-#length-unknown[18]) && unknown-#memory_int-unknown[1][1] == 0) && 104 == unknown-#memory_int-unknown[25][4]) && unknown-#memory_int-unknown[10][0] == 41) && \valid[17] == 1) && \valid[10] == 1) && unknown-#memory_int-unknown[5][1] == 110) && unknown-#memory_int-unknown[27][0] == 79) && \valid[8] == 1) && \valid[13] == 1) && unknown-#memory_int-unknown[26][2] == 73) && 0 < unknown-#StackHeapBarrier-unknown) && cleanupTimeShifts == 4) && #NULL == 0) && 21 == unknown-#length-unknown[14] [2021-11-23 02:31:31,126 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(0 == systemActive))) && (((((((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel) || !(\old(methAndRunningLastTime) == 0)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) [2021-11-23 02:31:31,127 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || (((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && (waterLevel + 1 <= \old(waterLevel) || (pumpRunning == 0 && waterLevel <= \old(waterLevel)))) && ((!(pumpRunning == 0) && \old(waterLevel) <= waterLevel + 1) || \old(waterLevel) <= waterLevel))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel <= \old(waterLevel)) && waterLevel == 1))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) [2021-11-23 02:31:31,127 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel == 1)) && ((((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || ((tmp == 1 && pumpRunning == 0) && waterLevel == 1)) || (((methAndRunningLastTime == 0 && \old(waterLevel) == waterLevel) && (pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 1))) && ((pumpRunning == 0 && !(methaneLevelCritical == 0)) || (methaneLevelCritical == 0 && pumpRunning == 1)))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || ((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) && (!(methaneLevelCritical == 0) || !(\old(pumpRunning) == 1)))) || methaneLevelCritical == 1) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((((((((!(#NULL == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(1 == systemActive)) || !(head == 0)) || ((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) && (!(methaneLevelCritical == 0) || !(\old(pumpRunning) == 1)))) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(\old(waterLevel) <= 2)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(2 <= \old(waterLevel)))) && (((((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) [2021-11-23 02:31:31,127 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(waterLevel <= 2)) || !(methAndRunningLastTime == 0)) && (((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(methAndRunningLastTime == 0)) [2021-11-23 02:31:31,128 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && 1 == systemActive) && waterLevel == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) && (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((!(unknown-#memory_int-unknown[6][1] == 102) || !(unknown-#length-unknown[6] == 4)) || !(\valid[23] == 1)) || !(101 == unknown-#memory_int-unknown[25][2])) || !(unknown-#length-unknown[24] == 13)) || !(unknown-#memory_int-unknown[25][6] == 0)) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(unknown-#memory_int-unknown[9][3] == 0)) || !(#NULL == 0)) || !(\valid[26] == 1)) || !(unknown-#length-unknown[4] == 13)) || !(\old(methAndRunningLastTime) == 0)) || !(unknown-#memory_int-unknown[8][0] == 79)) || !(unknown-#length-unknown[27] == 3)) || !(82 == unknown-#memory_int-unknown[26][1])) || !(31 == unknown-#length-unknown[2])) || !(unknown-#memory_int-unknown[9][1] == 102)) || !(\valid[12] == 1)) || !(unknown-#memory_int-unknown[9][0] == 79)) || !(unknown-#memory_int-unknown[6][2] == 102)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[13])) || !(\old(waterLevel) == 1)) || !(unknown-#memory_int-unknown[5][0] == 79)) || !(2 == unknown-#length-unknown[11])) || !(58 == unknown-#memory_int-unknown[7][5])) || !(unknown-#memory_int-unknown[9][2] == 102)) || !(1 == systemActive)) || !(unknown-#memory_int-unknown[6][3] == 0)) || !(30 == unknown-#length-unknown[18])) || !(unknown-#length-unknown[15] == 30)) || !(116 == unknown-#memory_int-unknown[25][3])) || !(unknown-#memory_int-unknown[27][1] == 75)) || !(\valid[6] == 1)) || !(unknown-#length-unknown[8] == 3)) || !(25 == unknown-#length-unknown[23])) || !(104 == unknown-#memory_int-unknown[25][4])) || !(67 == unknown-#memory_int-unknown[26][0])) || !(unknown-#memory_int-unknown[11][0] == 10)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(unknown-#length-unknown[21] == 30)) || !(unknown-#memory_int-unknown[26][2] == 73)) || !(unknown-#memory_int-unknown[5][1] == 110)) || !(unknown-#length-unknown[20] == 25)) || !(\valid[3] == 1)) || !(41 == unknown-#memory_int-unknown[28][0])) || !(\valid[25] == 1)) || !(head == 0)) || !(\valid[20] == 1)) || !(\valid[21] == 1)) || !(\valid[11] == 1)) || !(\valid[16] == 1)) || !(\valid[28] == 1)) || !(unknown-#memory_int-unknown[7][6] == 0)) || !(\valid[15] == 1)) || !(1 == \valid[5])) || !(unknown-#length-unknown[3] == 12)) || !(9 == unknown-#length-unknown[16])) || !(\valid[0] == 0)) || !(109 == unknown-#memory_int-unknown[7][3])) || !(methaneLevelCritical == 0)) || !(\valid[27] == 1)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(3 == unknown-#length-unknown[5])) || !(\valid[24] == 1)) || !(unknown-#memory_int-unknown[7][1] == 80)) || !(\valid[19] == 1)) || !(unknown-#memory_int-unknown[10][0] == 41)) || !(unknown-#length-unknown[28] == 2)) || !(\valid[1] == 1)) || !(\valid[22] == 1)) || !(3 == unknown-#length-unknown[10])) || !(unknown-#memory_int-unknown[5][2] == 0)) || !(7 == unknown-#length-unknown[25])) || !(unknown-#memory_int-unknown[25][0] == 44)) || !(112 == unknown-#memory_int-unknown[7][4])) || !(\valid[8] == 1)) || !(unknown-#memory_int-unknown[26][4] == 0)) || !(\valid[4] == 1)) || !(unknown-#memory_int-unknown[27][2] == 0)) || !(#NULL == 0)) || !(7 == unknown-#length-unknown[7])) || !(unknown-#memory_int-unknown[8][2] == 0)) || !(unknown-#length-unknown[17] == 21)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(unknown-#memory_int-unknown[6][0] == 79)) || !(21 == unknown-#length-unknown[14])) || !(\valid[14] == 1)) || !(110 == unknown-#memory_int-unknown[8][1])) || !(\valid[13] == 1)) || !(5 == unknown-#length-unknown[26])) || !(\valid[2] == 1)) || !(unknown-#length-unknown[9] == 4)) || !(unknown-#memory_int-unknown[26][3] == 84)) || !(unknown-#length-unknown[22] == 9)) || !(unknown-#memory_int-unknown[11][1] == 0)) || !(unknown-#memory_int-unknown[10][2] == 0)) || !(\valid[17] == 1)) || !(44 == unknown-#memory_int-unknown[7][0])) || !(unknown-#length-unknown[19] == 9)) || !(117 == unknown-#memory_int-unknown[7][2])) || !(\valid[9] == 1)) || !(unknown-#memory_int-unknown[25][5] == 58)) || !(32 == unknown-#memory_int-unknown[10][1])) || !(30 == unknown-#length-unknown[12])) || !(head == 0)) || !(unknown-#memory_int-unknown[27][0] == 79)) || tmp == methaneLevelCritical) || !(unknown-#memory_int-unknown[28][1] == 0)) || !(cleanupTimeShifts == 4)) || !(\valid[18] == 1)) || !(77 == unknown-#memory_int-unknown[25][1]))) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(0 == systemActive))) && ((((((((((!(\old(pumpRunning) == 0) && tmp == 1) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) || !(\old(methAndRunningLastTime) == 0)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || ((((methAndRunningLastTime == 0 && \old(waterLevel) == waterLevel) && (pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 1))) && ((pumpRunning == 0 && !(methaneLevelCritical == 0)) || (methaneLevelCritical == 0 && pumpRunning == 1))) && tmp == methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || ((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) && (!(methaneLevelCritical == 0) || !(\old(pumpRunning) == 1)))) || (waterLevel == 1 && tmp == methaneLevelCritical)) || methaneLevelCritical == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || tmp == methaneLevelCritical)) && ((((((((((((!(#NULL == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(1 == systemActive)) || !(head == 0)) || ((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) && (!(methaneLevelCritical == 0) || !(\old(pumpRunning) == 1)))) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(\old(waterLevel) <= 2)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(2 <= \old(waterLevel)))) && (((((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) [2021-11-23 02:31:31,128 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((!(unknown-#memory_int-unknown[6][1] == 102) || !(unknown-#length-unknown[6] == 4)) || !(\valid[23] == 1)) || !(101 == unknown-#memory_int-unknown[25][2])) || !(unknown-#length-unknown[24] == 13)) || !(unknown-#memory_int-unknown[25][6] == 0)) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(unknown-#memory_int-unknown[9][3] == 0)) || !(#NULL == 0)) || !(\valid[26] == 1)) || !(unknown-#length-unknown[4] == 13)) || !(\old(methAndRunningLastTime) == 0)) || !(unknown-#memory_int-unknown[8][0] == 79)) || !(unknown-#length-unknown[27] == 3)) || !(82 == unknown-#memory_int-unknown[26][1])) || !(31 == unknown-#length-unknown[2])) || !(unknown-#memory_int-unknown[9][1] == 102)) || !(\valid[12] == 1)) || !(unknown-#memory_int-unknown[9][0] == 79)) || !(unknown-#memory_int-unknown[6][2] == 102)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[13])) || !(\old(waterLevel) == 1)) || !(unknown-#memory_int-unknown[5][0] == 79)) || !(2 == unknown-#length-unknown[11])) || !(58 == unknown-#memory_int-unknown[7][5])) || !(unknown-#memory_int-unknown[9][2] == 102)) || !(1 == systemActive)) || !(unknown-#memory_int-unknown[6][3] == 0)) || !(30 == unknown-#length-unknown[18])) || !(unknown-#length-unknown[15] == 30)) || !(116 == unknown-#memory_int-unknown[25][3])) || !(unknown-#memory_int-unknown[27][1] == 75)) || !(\valid[6] == 1)) || !(unknown-#length-unknown[8] == 3)) || !(25 == unknown-#length-unknown[23])) || !(104 == unknown-#memory_int-unknown[25][4])) || !(67 == unknown-#memory_int-unknown[26][0])) || !(unknown-#memory_int-unknown[11][0] == 10)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(unknown-#length-unknown[21] == 30)) || !(unknown-#memory_int-unknown[26][2] == 73)) || !(unknown-#memory_int-unknown[5][1] == 110)) || !(unknown-#length-unknown[20] == 25)) || !(\valid[3] == 1)) || !(41 == unknown-#memory_int-unknown[28][0])) || !(\valid[25] == 1)) || !(head == 0)) || !(\valid[20] == 1)) || !(\valid[21] == 1)) || !(\valid[11] == 1)) || !(\valid[16] == 1)) || !(\valid[28] == 1)) || !(unknown-#memory_int-unknown[7][6] == 0)) || !(\valid[15] == 1)) || !(1 == \valid[5])) || !(unknown-#length-unknown[3] == 12)) || !(9 == unknown-#length-unknown[16])) || !(\valid[0] == 0)) || !(109 == unknown-#memory_int-unknown[7][3])) || !(methaneLevelCritical == 0)) || !(\valid[27] == 1)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(3 == unknown-#length-unknown[5])) || !(\valid[24] == 1)) || !(unknown-#memory_int-unknown[7][1] == 80)) || !(\valid[19] == 1)) || !(unknown-#memory_int-unknown[10][0] == 41)) || !(unknown-#length-unknown[28] == 2)) || !(\valid[1] == 1)) || !(\valid[22] == 1)) || !(3 == unknown-#length-unknown[10])) || !(unknown-#memory_int-unknown[5][2] == 0)) || !(7 == unknown-#length-unknown[25])) || !(unknown-#memory_int-unknown[25][0] == 44)) || !(112 == unknown-#memory_int-unknown[7][4])) || !(\valid[8] == 1)) || !(unknown-#memory_int-unknown[26][4] == 0)) || !(\valid[4] == 1)) || !(unknown-#memory_int-unknown[27][2] == 0)) || !(#NULL == 0)) || !(7 == unknown-#length-unknown[7])) || !(unknown-#memory_int-unknown[8][2] == 0)) || !(unknown-#length-unknown[17] == 21)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(unknown-#memory_int-unknown[6][0] == 79)) || !(21 == unknown-#length-unknown[14])) || !(\valid[14] == 1)) || !(110 == unknown-#memory_int-unknown[8][1])) || !(\valid[13] == 1)) || !(5 == unknown-#length-unknown[26])) || !(\valid[2] == 1)) || !(unknown-#length-unknown[9] == 4)) || !(unknown-#memory_int-unknown[26][3] == 84)) || !(unknown-#length-unknown[22] == 9)) || !(unknown-#memory_int-unknown[11][1] == 0)) || !(unknown-#memory_int-unknown[10][2] == 0)) || !(\valid[17] == 1)) || !(44 == unknown-#memory_int-unknown[7][0])) || !(unknown-#length-unknown[19] == 9)) || !(117 == unknown-#memory_int-unknown[7][2])) || !(\valid[9] == 1)) || !(unknown-#memory_int-unknown[25][5] == 58)) || !(32 == unknown-#memory_int-unknown[10][1])) || !(30 == unknown-#length-unknown[12])) || !(head == 0)) || !(unknown-#memory_int-unknown[27][0] == 79)) || tmp == methaneLevelCritical) || !(unknown-#memory_int-unknown[28][1] == 0)) || !(cleanupTimeShifts == 4)) || !(\valid[18] == 1)) || !(77 == unknown-#memory_int-unknown[25][1])) && ((!(\old(pumpRunning) == 0) || !(0 == systemActive)) || (pumpRunning == 0 && methAndRunningLastTime == 0))) && (((((((((((!(\old(pumpRunning) == 0) && tmp == 1) && pumpRunning == 0) && methAndRunningLastTime == 0) && waterLevel == 1) || !(\old(methAndRunningLastTime) == 0)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \old(waterLevel) == waterLevel) && (tmp___0 == 0 || pumpRunning == tmp___0)) && tmp == methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || ((((methAndRunningLastTime == 0 && !(methaneLevelCritical == 1)) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && pumpRunning == 1)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive))) && ((((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || (waterLevel == 1 && tmp == methaneLevelCritical)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((tmp___0 == 0 || pumpRunning == tmp___0) && tmp == methaneLevelCritical)) [2021-11-23 02:31:31,129 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(methAndRunningLastTime == 0)) && ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((!(unknown-#memory_int-unknown[6][1] == 102) || !(unknown-#length-unknown[6] == 4)) || !(\valid[23] == 1)) || !(101 == unknown-#memory_int-unknown[25][2])) || !(unknown-#length-unknown[24] == 13)) || !(unknown-#memory_int-unknown[25][6] == 0)) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(unknown-#memory_int-unknown[9][3] == 0)) || !(#NULL == 0)) || !(\valid[26] == 1)) || !(unknown-#length-unknown[4] == 13)) || !(unknown-#memory_int-unknown[8][0] == 79)) || !(unknown-#length-unknown[27] == 3)) || !(82 == unknown-#memory_int-unknown[26][1])) || !(31 == unknown-#length-unknown[2])) || !(unknown-#memory_int-unknown[9][1] == 102)) || !(\valid[12] == 1)) || !(unknown-#memory_int-unknown[9][0] == 79)) || !(unknown-#memory_int-unknown[6][2] == 102)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[13])) || !(unknown-#memory_int-unknown[5][0] == 79)) || !(2 == unknown-#length-unknown[11])) || !(58 == unknown-#memory_int-unknown[7][5])) || !(unknown-#memory_int-unknown[9][2] == 102)) || !(1 == systemActive)) || !(unknown-#memory_int-unknown[6][3] == 0)) || !(30 == unknown-#length-unknown[18])) || !(unknown-#length-unknown[15] == 30)) || !(116 == unknown-#memory_int-unknown[25][3])) || !(unknown-#memory_int-unknown[27][1] == 75)) || !(\valid[6] == 1)) || !(unknown-#length-unknown[8] == 3)) || !(25 == unknown-#length-unknown[23])) || !(104 == unknown-#memory_int-unknown[25][4])) || !(67 == unknown-#memory_int-unknown[26][0])) || !(unknown-#memory_int-unknown[11][0] == 10)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(unknown-#length-unknown[21] == 30)) || !(unknown-#memory_int-unknown[26][2] == 73)) || !(unknown-#memory_int-unknown[5][1] == 110)) || !(unknown-#length-unknown[20] == 25)) || !(\valid[3] == 1)) || !(41 == unknown-#memory_int-unknown[28][0])) || !(\valid[25] == 1)) || !(head == 0)) || !(\valid[20] == 1)) || !(2 <= waterLevel)) || !(\valid[21] == 1)) || !(\valid[11] == 1)) || !(\valid[16] == 1)) || !(\valid[28] == 1)) || !(unknown-#memory_int-unknown[7][6] == 0)) || !(\valid[15] == 1)) || !(1 == \valid[5])) || !(unknown-#length-unknown[3] == 12)) || !(9 == unknown-#length-unknown[16])) || !(\valid[0] == 0)) || !(109 == unknown-#memory_int-unknown[7][3])) || !(methaneLevelCritical == 0)) || !(\valid[27] == 1)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(3 == unknown-#length-unknown[5])) || !(\valid[24] == 1)) || !(unknown-#memory_int-unknown[7][1] == 80)) || !(\valid[19] == 1)) || !(unknown-#memory_int-unknown[10][0] == 41)) || !(unknown-#length-unknown[28] == 2)) || !(\valid[1] == 1)) || !(\valid[22] == 1)) || !(3 == unknown-#length-unknown[10])) || !(unknown-#memory_int-unknown[5][2] == 0)) || !(7 == unknown-#length-unknown[25])) || !(unknown-#memory_int-unknown[25][0] == 44)) || !(112 == unknown-#memory_int-unknown[7][4])) || !(\valid[8] == 1)) || !(unknown-#memory_int-unknown[26][4] == 0)) || !(\valid[4] == 1)) || !(waterLevel <= 2)) || !(unknown-#memory_int-unknown[27][2] == 0)) || !(#NULL == 0)) || !(7 == unknown-#length-unknown[7])) || !(unknown-#memory_int-unknown[8][2] == 0)) || !(unknown-#length-unknown[17] == 21)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(unknown-#memory_int-unknown[6][0] == 79)) || !(21 == unknown-#length-unknown[14])) || !(\valid[14] == 1)) || !(110 == unknown-#memory_int-unknown[8][1])) || !(\valid[13] == 1)) || !(5 == unknown-#length-unknown[26])) || ((((((((\result <= 1 && retValue_acc == tmp___0) && \result <= 0) && 1 <= \result) && \result == tmp) && 0 <= \result) && \result == retValue_acc) && 1 <= tmp___0) && tmp___0 <= 1)) || !(\valid[2] == 1)) || !(unknown-#length-unknown[9] == 4)) || !(unknown-#memory_int-unknown[26][3] == 84)) || !(unknown-#length-unknown[22] == 9)) || !(methAndRunningLastTime == 0)) || !(unknown-#memory_int-unknown[11][1] == 0)) || !(unknown-#memory_int-unknown[10][2] == 0)) || !(\valid[17] == 1)) || !(44 == unknown-#memory_int-unknown[7][0])) || !(unknown-#length-unknown[19] == 9)) || !(117 == unknown-#memory_int-unknown[7][2])) || !(\valid[9] == 1)) || !(unknown-#memory_int-unknown[25][5] == 58)) || !(32 == unknown-#memory_int-unknown[10][1])) || !(30 == unknown-#length-unknown[12])) || !(head == 0)) || !(unknown-#memory_int-unknown[27][0] == 79)) || !(unknown-#memory_int-unknown[28][1] == 0)) || !(cleanupTimeShifts == 4)) || !(\valid[18] == 1)) || !(77 == unknown-#memory_int-unknown[25][1]))) && ((((((!(\old(pumpRunning) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(waterLevel <= 2)) || ((pumpRunning == 0 && tmp == 1) && aux-isMethaneLevelCritical()-aux == methaneLevelCritical)) || !(methAndRunningLastTime == 0)) [2021-11-23 02:31:31,130 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) && ((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) [2021-11-23 02:31:31,158 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 02:31:31,158 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 02:31:31,159 INFO L158 Benchmark]: Toolchain (without parser) took 197788.81ms. Allocated memory was 109.1MB in the beginning and 805.3MB in the end (delta: 696.3MB). Free memory was 77.7MB in the beginning and 646.7MB in the end (delta: -569.1MB). Peak memory consumption was 127.2MB. Max. memory is 16.1GB. [2021-11-23 02:31:31,159 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 109.1MB. Free memory was 65.5MB in the beginning and 65.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:31:31,160 INFO L158 Benchmark]: CACSL2BoogieTranslator took 667.34ms. Allocated memory was 109.1MB in the beginning and 153.1MB in the end (delta: 44.0MB). Free memory was 77.7MB in the beginning and 119.1MB in the end (delta: -41.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 02:31:31,160 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.05ms. Allocated memory is still 153.1MB. Free memory was 119.1MB in the beginning and 116.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 02:31:31,160 INFO L158 Benchmark]: Boogie Preprocessor took 44.07ms. Allocated memory is still 153.1MB. Free memory was 116.3MB in the beginning and 115.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:31:31,161 INFO L158 Benchmark]: RCFGBuilder took 678.55ms. Allocated memory is still 153.1MB. Free memory was 115.0MB in the beginning and 91.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 02:31:31,161 INFO L158 Benchmark]: TraceAbstraction took 196219.45ms. Allocated memory was 153.1MB in the beginning and 805.3MB in the end (delta: 652.2MB). Free memory was 91.1MB in the beginning and 654.1MB in the end (delta: -562.9MB). Peak memory consumption was 469.7MB. Max. memory is 16.1GB. [2021-11-23 02:31:31,161 INFO L158 Benchmark]: Witness Printer took 81.80ms. Allocated memory is still 805.3MB. Free memory was 654.1MB in the beginning and 646.7MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 02:31:31,163 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 109.1MB. Free memory was 65.5MB in the beginning and 65.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 667.34ms. Allocated memory was 109.1MB in the beginning and 153.1MB in the end (delta: 44.0MB). Free memory was 77.7MB in the beginning and 119.1MB in the end (delta: -41.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.05ms. Allocated memory is still 153.1MB. Free memory was 119.1MB in the beginning and 116.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.07ms. Allocated memory is still 153.1MB. Free memory was 116.3MB in the beginning and 115.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 678.55ms. Allocated memory is still 153.1MB. Free memory was 115.0MB in the beginning and 91.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 196219.45ms. Allocated memory was 153.1MB in the beginning and 805.3MB in the end (delta: 652.2MB). Free memory was 91.1MB in the beginning and 654.1MB in the end (delta: -562.9MB). Peak memory consumption was 469.7MB. Max. memory is 16.1GB. * Witness Printer took 81.80ms. Allocated memory is still 805.3MB. Free memory was 654.1MB in the beginning and 646.7MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 196.1s, OverallIterations: 12, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 39.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 50.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3235 SdHoareTripleChecker+Valid, 6.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3209 mSDsluCounter, 3958 SdHoareTripleChecker+Invalid, 5.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3542 mSDsCounter, 1959 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5713 IncrementalHoareTripleChecker+Invalid, 7672 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1959 mSolverCounterUnsat, 876 mSDtfsCounter, 5713 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1486 GetRequests, 1060 SyntacticMatches, 43 SemanticMatches, 383 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15011 ImplicationChecksByTransitivity, 98.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1254occurred in iteration=11, InterpolantAutomatonStates: 181, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 642 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 2227 PreInvPairs, 2470 NumberOfFragments, 7040 HoareAnnotationTreeSize, 2227 FomulaSimplifications, 32555 FormulaSimplificationTreeSizeReduction, 11.6s HoareSimplificationTime, 37 FomulaSimplificationsInter, 251971 FormulaSimplificationTreeSizeReductionInter, 38.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.7s InterpolantComputationTime, 1152 NumberOfCodeBlocks, 1152 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1523 ConstructedInterpolants, 0 QuantifiedInterpolants, 5599 SizeOfPredicates, 55 NumberOfNonLiveVariables, 2645 ConjunctsInSsa, 150 ConjunctsInUnsatCore, 21 InterpolantComputations, 8 PerfectInterpolantSequences, 997/1291 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 12.1s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 5, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 45, DAG_INTERPRETER_EARLY_EXITS: 6, TOOLS_POST_APPLICATIONS: 54, TOOLS_POST_TIME: 3.5s, TOOLS_POST_CALL_APPLICATIONS: 29, TOOLS_POST_CALL_TIME: 6.0s, TOOLS_POST_RETURN_APPLICATIONS: 24, TOOLS_POST_RETURN_TIME: 1.5s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 105, TOOLS_QUANTIFIERELIM_TIME: 10.9s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.6s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 131, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 19, DOMAIN_JOIN_TIME: 0.8s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 45, DOMAIN_ISBOTTOM_TIME: 0.3s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 2.5s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 2.5s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 24, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME: 0.2s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.2s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 758, DAG_COMPRESSION_RETAINED_NODES: 141, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel == 1)) && ((((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || ((tmp == 1 && pumpRunning == 0) && waterLevel == 1)) || (((methAndRunningLastTime == 0 && \old(waterLevel) == waterLevel) && (pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 1))) && ((pumpRunning == 0 && !(methaneLevelCritical == 0)) || (methaneLevelCritical == 0 && pumpRunning == 1)))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || ((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) && (!(methaneLevelCritical == 0) || !(\old(pumpRunning) == 1)))) || methaneLevelCritical == 1) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((((((((!(#NULL == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(1 == systemActive)) || !(head == 0)) || ((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) && (!(methaneLevelCritical == 0) || !(\old(pumpRunning) == 1)))) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(\old(waterLevel) <= 2)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(2 <= \old(waterLevel)))) && (((((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && splverifierCounter == 0) && !(0 == systemActive)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && splverifierCounter == 0) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) && ((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 380]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((!(unknown-#memory_int-unknown[6][1] == 102) || !(unknown-#length-unknown[6] == 4)) || !(\valid[23] == 1)) || !(101 == unknown-#memory_int-unknown[25][2])) || !(unknown-#length-unknown[24] == 13)) || !(unknown-#memory_int-unknown[25][6] == 0)) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(unknown-#memory_int-unknown[9][3] == 0)) || !(#NULL == 0)) || !(\valid[26] == 1)) || !(unknown-#length-unknown[4] == 13)) || !(\old(methAndRunningLastTime) == 0)) || !(unknown-#memory_int-unknown[8][0] == 79)) || !(unknown-#length-unknown[27] == 3)) || !(82 == unknown-#memory_int-unknown[26][1])) || !(31 == unknown-#length-unknown[2])) || !(unknown-#memory_int-unknown[9][1] == 102)) || !(\valid[12] == 1)) || !(unknown-#memory_int-unknown[9][0] == 79)) || !(unknown-#memory_int-unknown[6][2] == 102)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[13])) || !(\old(waterLevel) == 1)) || !(unknown-#memory_int-unknown[5][0] == 79)) || !(2 == unknown-#length-unknown[11])) || !(58 == unknown-#memory_int-unknown[7][5])) || !(unknown-#memory_int-unknown[9][2] == 102)) || !(1 == systemActive)) || !(unknown-#memory_int-unknown[6][3] == 0)) || !(30 == unknown-#length-unknown[18])) || !(unknown-#length-unknown[15] == 30)) || !(116 == unknown-#memory_int-unknown[25][3])) || !(unknown-#memory_int-unknown[27][1] == 75)) || !(\valid[6] == 1)) || !(unknown-#length-unknown[8] == 3)) || !(25 == unknown-#length-unknown[23])) || !(104 == unknown-#memory_int-unknown[25][4])) || !(67 == unknown-#memory_int-unknown[26][0])) || !(unknown-#memory_int-unknown[11][0] == 10)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(unknown-#length-unknown[21] == 30)) || !(unknown-#memory_int-unknown[26][2] == 73)) || !(unknown-#memory_int-unknown[5][1] == 110)) || !(unknown-#length-unknown[20] == 25)) || !(\valid[3] == 1)) || !(41 == unknown-#memory_int-unknown[28][0])) || !(\valid[25] == 1)) || !(head == 0)) || !(\valid[20] == 1)) || !(\valid[21] == 1)) || !(\valid[11] == 1)) || !(\valid[16] == 1)) || !(\valid[28] == 1)) || !(unknown-#memory_int-unknown[7][6] == 0)) || !(\valid[15] == 1)) || !(1 == \valid[5])) || !(unknown-#length-unknown[3] == 12)) || !(9 == unknown-#length-unknown[16])) || !(\valid[0] == 0)) || !(109 == unknown-#memory_int-unknown[7][3])) || !(methaneLevelCritical == 0)) || !(\valid[27] == 1)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(3 == unknown-#length-unknown[5])) || !(\valid[24] == 1)) || !(unknown-#memory_int-unknown[7][1] == 80)) || !(\valid[19] == 1)) || !(unknown-#memory_int-unknown[10][0] == 41)) || !(unknown-#length-unknown[28] == 2)) || !(\valid[1] == 1)) || !(\valid[22] == 1)) || !(3 == unknown-#length-unknown[10])) || !(unknown-#memory_int-unknown[5][2] == 0)) || !(7 == unknown-#length-unknown[25])) || !(unknown-#memory_int-unknown[25][0] == 44)) || !(112 == unknown-#memory_int-unknown[7][4])) || !(\valid[8] == 1)) || !(unknown-#memory_int-unknown[26][4] == 0)) || !(\valid[4] == 1)) || !(unknown-#memory_int-unknown[27][2] == 0)) || !(#NULL == 0)) || !(7 == unknown-#length-unknown[7])) || !(unknown-#memory_int-unknown[8][2] == 0)) || !(unknown-#length-unknown[17] == 21)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(unknown-#memory_int-unknown[6][0] == 79)) || !(21 == unknown-#length-unknown[14])) || !(\valid[14] == 1)) || !(110 == unknown-#memory_int-unknown[8][1])) || !(\valid[13] == 1)) || !(5 == unknown-#length-unknown[26])) || !(\valid[2] == 1)) || !(unknown-#length-unknown[9] == 4)) || !(unknown-#memory_int-unknown[26][3] == 84)) || !(unknown-#length-unknown[22] == 9)) || !(unknown-#memory_int-unknown[11][1] == 0)) || !(unknown-#memory_int-unknown[10][2] == 0)) || !(\valid[17] == 1)) || !(44 == unknown-#memory_int-unknown[7][0])) || !(unknown-#length-unknown[19] == 9)) || !(117 == unknown-#memory_int-unknown[7][2])) || !(\valid[9] == 1)) || !(unknown-#memory_int-unknown[25][5] == 58)) || !(32 == unknown-#memory_int-unknown[10][1])) || !(30 == unknown-#length-unknown[12])) || !(head == 0)) || !(unknown-#memory_int-unknown[27][0] == 79)) || tmp == methaneLevelCritical) || !(unknown-#memory_int-unknown[28][1] == 0)) || !(cleanupTimeShifts == 4)) || !(\valid[18] == 1)) || !(77 == unknown-#memory_int-unknown[25][1])) && ((!(\old(pumpRunning) == 0) || !(0 == systemActive)) || (pumpRunning == 0 && methAndRunningLastTime == 0))) && (((((((((((!(\old(pumpRunning) == 0) && tmp == 1) && pumpRunning == 0) && methAndRunningLastTime == 0) && waterLevel == 1) || !(\old(methAndRunningLastTime) == 0)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \old(waterLevel) == waterLevel) && (tmp___0 == 0 || pumpRunning == tmp___0)) && tmp == methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || ((((methAndRunningLastTime == 0 && !(methaneLevelCritical == 1)) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && pumpRunning == 1)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive))) && ((((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || (waterLevel == 1 && tmp == methaneLevelCritical)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((tmp___0 == 0 || pumpRunning == tmp___0) && tmp == methaneLevelCritical)) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || (((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && (waterLevel + 1 <= \old(waterLevel) || (pumpRunning == 0 && waterLevel <= \old(waterLevel)))) && ((!(pumpRunning == 0) && \old(waterLevel) <= waterLevel + 1) || \old(waterLevel) <= waterLevel))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel <= \old(waterLevel)) && waterLevel == 1))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(0 == systemActive))) && (((((((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel) || !(\old(methAndRunningLastTime) == 0)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(waterLevel <= 2)) || !(methAndRunningLastTime == 0)) && (((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: ((((((methAndRunningLastTime == 0 && 2 == waterLevel) && (methaneLevelCritical == 0 || methaneLevelCritical == 1)) && 1 == systemActive) && splverifierCounter == 0) && ((pumpRunning == 0 && !(methaneLevelCritical == 0)) || (methaneLevelCritical == 0 && pumpRunning == 1))) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && (methaneLevelCritical == 0 || methaneLevelCritical == 1)) && 1 == systemActive) && splverifierCounter == 0) && waterLevel == 1)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && splverifierCounter == 0) && 0 == systemActive) - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: (((((((((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && 1 == systemActive) && waterLevel == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) && (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((!(unknown-#memory_int-unknown[6][1] == 102) || !(unknown-#length-unknown[6] == 4)) || !(\valid[23] == 1)) || !(101 == unknown-#memory_int-unknown[25][2])) || !(unknown-#length-unknown[24] == 13)) || !(unknown-#memory_int-unknown[25][6] == 0)) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(unknown-#memory_int-unknown[9][3] == 0)) || !(#NULL == 0)) || !(\valid[26] == 1)) || !(unknown-#length-unknown[4] == 13)) || !(\old(methAndRunningLastTime) == 0)) || !(unknown-#memory_int-unknown[8][0] == 79)) || !(unknown-#length-unknown[27] == 3)) || !(82 == unknown-#memory_int-unknown[26][1])) || !(31 == unknown-#length-unknown[2])) || !(unknown-#memory_int-unknown[9][1] == 102)) || !(\valid[12] == 1)) || !(unknown-#memory_int-unknown[9][0] == 79)) || !(unknown-#memory_int-unknown[6][2] == 102)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[13])) || !(\old(waterLevel) == 1)) || !(unknown-#memory_int-unknown[5][0] == 79)) || !(2 == unknown-#length-unknown[11])) || !(58 == unknown-#memory_int-unknown[7][5])) || !(unknown-#memory_int-unknown[9][2] == 102)) || !(1 == systemActive)) || !(unknown-#memory_int-unknown[6][3] == 0)) || !(30 == unknown-#length-unknown[18])) || !(unknown-#length-unknown[15] == 30)) || !(116 == unknown-#memory_int-unknown[25][3])) || !(unknown-#memory_int-unknown[27][1] == 75)) || !(\valid[6] == 1)) || !(unknown-#length-unknown[8] == 3)) || !(25 == unknown-#length-unknown[23])) || !(104 == unknown-#memory_int-unknown[25][4])) || !(67 == unknown-#memory_int-unknown[26][0])) || !(unknown-#memory_int-unknown[11][0] == 10)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(unknown-#length-unknown[21] == 30)) || !(unknown-#memory_int-unknown[26][2] == 73)) || !(unknown-#memory_int-unknown[5][1] == 110)) || !(unknown-#length-unknown[20] == 25)) || !(\valid[3] == 1)) || !(41 == unknown-#memory_int-unknown[28][0])) || !(\valid[25] == 1)) || !(head == 0)) || !(\valid[20] == 1)) || !(\valid[21] == 1)) || !(\valid[11] == 1)) || !(\valid[16] == 1)) || !(\valid[28] == 1)) || !(unknown-#memory_int-unknown[7][6] == 0)) || !(\valid[15] == 1)) || !(1 == \valid[5])) || !(unknown-#length-unknown[3] == 12)) || !(9 == unknown-#length-unknown[16])) || !(\valid[0] == 0)) || !(109 == unknown-#memory_int-unknown[7][3])) || !(methaneLevelCritical == 0)) || !(\valid[27] == 1)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(3 == unknown-#length-unknown[5])) || !(\valid[24] == 1)) || !(unknown-#memory_int-unknown[7][1] == 80)) || !(\valid[19] == 1)) || !(unknown-#memory_int-unknown[10][0] == 41)) || !(unknown-#length-unknown[28] == 2)) || !(\valid[1] == 1)) || !(\valid[22] == 1)) || !(3 == unknown-#length-unknown[10])) || !(unknown-#memory_int-unknown[5][2] == 0)) || !(7 == unknown-#length-unknown[25])) || !(unknown-#memory_int-unknown[25][0] == 44)) || !(112 == unknown-#memory_int-unknown[7][4])) || !(\valid[8] == 1)) || !(unknown-#memory_int-unknown[26][4] == 0)) || !(\valid[4] == 1)) || !(unknown-#memory_int-unknown[27][2] == 0)) || !(#NULL == 0)) || !(7 == unknown-#length-unknown[7])) || !(unknown-#memory_int-unknown[8][2] == 0)) || !(unknown-#length-unknown[17] == 21)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(unknown-#memory_int-unknown[6][0] == 79)) || !(21 == unknown-#length-unknown[14])) || !(\valid[14] == 1)) || !(110 == unknown-#memory_int-unknown[8][1])) || !(\valid[13] == 1)) || !(5 == unknown-#length-unknown[26])) || !(\valid[2] == 1)) || !(unknown-#length-unknown[9] == 4)) || !(unknown-#memory_int-unknown[26][3] == 84)) || !(unknown-#length-unknown[22] == 9)) || !(unknown-#memory_int-unknown[11][1] == 0)) || !(unknown-#memory_int-unknown[10][2] == 0)) || !(\valid[17] == 1)) || !(44 == unknown-#memory_int-unknown[7][0])) || !(unknown-#length-unknown[19] == 9)) || !(117 == unknown-#memory_int-unknown[7][2])) || !(\valid[9] == 1)) || !(unknown-#memory_int-unknown[25][5] == 58)) || !(32 == unknown-#memory_int-unknown[10][1])) || !(30 == unknown-#length-unknown[12])) || !(head == 0)) || !(unknown-#memory_int-unknown[27][0] == 79)) || tmp == methaneLevelCritical) || !(unknown-#memory_int-unknown[28][1] == 0)) || !(cleanupTimeShifts == 4)) || !(\valid[18] == 1)) || !(77 == unknown-#memory_int-unknown[25][1]))) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(0 == systemActive))) && ((((((((((!(\old(pumpRunning) == 0) && tmp == 1) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) || !(\old(methAndRunningLastTime) == 0)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || ((((methAndRunningLastTime == 0 && \old(waterLevel) == waterLevel) && (pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 1))) && ((pumpRunning == 0 && !(methaneLevelCritical == 0)) || (methaneLevelCritical == 0 && pumpRunning == 1))) && tmp == methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || ((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) && (!(methaneLevelCritical == 0) || !(\old(pumpRunning) == 1)))) || (waterLevel == 1 && tmp == methaneLevelCritical)) || methaneLevelCritical == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || tmp == methaneLevelCritical)) && ((((((((((((!(#NULL == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(1 == systemActive)) || !(head == 0)) || ((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) && (!(methaneLevelCritical == 0) || !(\old(pumpRunning) == 1)))) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(\old(waterLevel) <= 2)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(2 <= \old(waterLevel)))) && (((((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((unknown-#memory_int-unknown[26][3] == 84 && unknown-#memory_int-unknown[6][2] == 102) && unknown-#memory_int-unknown[11][1] == 0) && 1 == \valid[5]) && 32 == unknown-#memory_int-unknown[10][1]) && unknown-#length-unknown[3] == 12) && unknown-#memory_int-unknown[9][0] == 79) && \valid[15] == 1) && 112 == unknown-#memory_int-unknown[7][4]) && unknown-#memory_int-unknown[6][0] == 79) && 82 == unknown-#memory_int-unknown[26][1]) && retValue_acc == 1) && 3 == unknown-#length-unknown[10]) && pumpRunning == 0) && \valid[26] == 1) && 67 == unknown-#memory_int-unknown[26][0]) && unknown-#memory_int-unknown[7][1] == 80) && unknown-#memory_int-unknown[27][2] == 0) && 9 == unknown-#length-unknown[16]) && unknown-#length-unknown[8] == 3) && methAndRunningLastTime == 0) && unknown-#length-unknown[6] == 4) && unknown-#length-unknown[20] == 25) && unknown-#memory_int-unknown[27][1] == 75) && \valid[9] == 1) && unknown-#length-unknown[4] == 13) && 117 == unknown-#memory_int-unknown[7][2]) && unknown-#memory_int-unknown[5][2] == 0) && 7 == unknown-#length-unknown[7]) && unknown-#length-unknown[28] == 2) && 110 == unknown-#memory_int-unknown[8][1]) && unknown-#memory_int-unknown[6][1] == 102) && unknown-#length-unknown[15] == 30) && \valid[11] == 1) && \valid[27] == 1) && methaneLevelCritical == 0) && 58 == unknown-#memory_int-unknown[7][5]) && unknown-#memory_int-unknown[8][0] == 79) && 44 == unknown-#memory_int-unknown[7][0]) && retValue_acc == \result) && 31 == unknown-#length-unknown[2]) && head == 0) && 30 == unknown-#length-unknown[12]) && unknown-#length-unknown[24] == 13) && unknown-#length-unknown[27] == 3) && unknown-#memory_int-unknown[11][0] == 10) && 2 == unknown-#length-unknown[1]) && unknown-#memory_int-unknown[25][5] == 58) && \valid[3] == 1) && \valid[7] == 1) && 5 == unknown-#length-unknown[26]) && 77 == unknown-#memory_int-unknown[25][1]) && \valid[18] == 1) && \result == tmp) && \valid[22] == 1) && 3 == unknown-#length-unknown[5]) && 25 == unknown-#length-unknown[23]) && 2 == unknown-#length-unknown[11]) && 1 == systemActive) && unknown-#memory_int-unknown[25][6] == 0) && \valid[24] == 1) && unknown-#memory_int-unknown[26][4] == 0) && unknown-#memory_int-unknown[9][3] == 0) && \valid[12] == 1) && unknown-#length-unknown[19] == 9) && \valid[28] == 1) && unknown-#memory_int-unknown[28][1] == 0) && \valid[4] == 1) && unknown-#memory_int-unknown[9][1] == 102) && 9 == unknown-#length-unknown[13]) && unknown-#memory_int-unknown[8][2] == 0) && \valid[1] == 1) && unknown-#memory_int-unknown[7][6] == 0) && unknown-#memory_int-unknown[9][2] == 102) && \valid[20] == 1) && unknown-#memory_int-unknown[5][0] == 79) && \valid[21] == 1) && unknown-#length-unknown[9] == 4) && unknown-#length-unknown[22] == 9) && \valid[14] == 1) && unknown-#length-unknown[21] == 30) && \valid[0] == 0) && \valid[25] == 1) && unknown-#length-unknown[17] == 21) && head == 0) && 101 == unknown-#memory_int-unknown[25][2]) && \valid[2] == 1) && #NULL == 0) && waterLevel == 1) && unknown-#memory_int-unknown[10][2] == 0) && unknown-#memory_int-unknown[25][0] == 44) && unknown-#memory_int-unknown[1][0] == 48) && \valid[23] == 1) && 41 == unknown-#memory_int-unknown[28][0]) && 116 == unknown-#memory_int-unknown[25][3]) && 7 == unknown-#length-unknown[25]) && \valid[19] == 1) && 109 == unknown-#memory_int-unknown[7][3]) && unknown-#memory_int-unknown[6][3] == 0) && \valid[16] == 1) && \valid[6] == 1) && 30 == unknown-#length-unknown[18]) && unknown-#memory_int-unknown[1][1] == 0) && 104 == unknown-#memory_int-unknown[25][4]) && unknown-#memory_int-unknown[10][0] == 41) && \valid[17] == 1) && \valid[10] == 1) && unknown-#memory_int-unknown[5][1] == 110) && unknown-#memory_int-unknown[27][0] == 79) && \valid[8] == 1) && \valid[13] == 1) && unknown-#memory_int-unknown[26][2] == 73) && 0 < unknown-#StackHeapBarrier-unknown) && cleanupTimeShifts == 4) && #NULL == 0) && 21 == unknown-#length-unknown[14] - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: (((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(methAndRunningLastTime == 0)) && ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((!(unknown-#memory_int-unknown[6][1] == 102) || !(unknown-#length-unknown[6] == 4)) || !(\valid[23] == 1)) || !(101 == unknown-#memory_int-unknown[25][2])) || !(unknown-#length-unknown[24] == 13)) || !(unknown-#memory_int-unknown[25][6] == 0)) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(unknown-#memory_int-unknown[9][3] == 0)) || !(#NULL == 0)) || !(\valid[26] == 1)) || !(unknown-#length-unknown[4] == 13)) || !(unknown-#memory_int-unknown[8][0] == 79)) || !(unknown-#length-unknown[27] == 3)) || !(82 == unknown-#memory_int-unknown[26][1])) || !(31 == unknown-#length-unknown[2])) || !(unknown-#memory_int-unknown[9][1] == 102)) || !(\valid[12] == 1)) || !(unknown-#memory_int-unknown[9][0] == 79)) || !(unknown-#memory_int-unknown[6][2] == 102)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[13])) || !(unknown-#memory_int-unknown[5][0] == 79)) || !(2 == unknown-#length-unknown[11])) || !(58 == unknown-#memory_int-unknown[7][5])) || !(unknown-#memory_int-unknown[9][2] == 102)) || !(1 == systemActive)) || !(unknown-#memory_int-unknown[6][3] == 0)) || !(30 == unknown-#length-unknown[18])) || !(unknown-#length-unknown[15] == 30)) || !(116 == unknown-#memory_int-unknown[25][3])) || !(unknown-#memory_int-unknown[27][1] == 75)) || !(\valid[6] == 1)) || !(unknown-#length-unknown[8] == 3)) || !(25 == unknown-#length-unknown[23])) || !(104 == unknown-#memory_int-unknown[25][4])) || !(67 == unknown-#memory_int-unknown[26][0])) || !(unknown-#memory_int-unknown[11][0] == 10)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(unknown-#length-unknown[21] == 30)) || !(unknown-#memory_int-unknown[26][2] == 73)) || !(unknown-#memory_int-unknown[5][1] == 110)) || !(unknown-#length-unknown[20] == 25)) || !(\valid[3] == 1)) || !(41 == unknown-#memory_int-unknown[28][0])) || !(\valid[25] == 1)) || !(head == 0)) || !(\valid[20] == 1)) || !(2 <= waterLevel)) || !(\valid[21] == 1)) || !(\valid[11] == 1)) || !(\valid[16] == 1)) || !(\valid[28] == 1)) || !(unknown-#memory_int-unknown[7][6] == 0)) || !(\valid[15] == 1)) || !(1 == \valid[5])) || !(unknown-#length-unknown[3] == 12)) || !(9 == unknown-#length-unknown[16])) || !(\valid[0] == 0)) || !(109 == unknown-#memory_int-unknown[7][3])) || !(methaneLevelCritical == 0)) || !(\valid[27] == 1)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(3 == unknown-#length-unknown[5])) || !(\valid[24] == 1)) || !(unknown-#memory_int-unknown[7][1] == 80)) || !(\valid[19] == 1)) || !(unknown-#memory_int-unknown[10][0] == 41)) || !(unknown-#length-unknown[28] == 2)) || !(\valid[1] == 1)) || !(\valid[22] == 1)) || !(3 == unknown-#length-unknown[10])) || !(unknown-#memory_int-unknown[5][2] == 0)) || !(7 == unknown-#length-unknown[25])) || !(unknown-#memory_int-unknown[25][0] == 44)) || !(112 == unknown-#memory_int-unknown[7][4])) || !(\valid[8] == 1)) || !(unknown-#memory_int-unknown[26][4] == 0)) || !(\valid[4] == 1)) || !(waterLevel <= 2)) || !(unknown-#memory_int-unknown[27][2] == 0)) || !(#NULL == 0)) || !(7 == unknown-#length-unknown[7])) || !(unknown-#memory_int-unknown[8][2] == 0)) || !(unknown-#length-unknown[17] == 21)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(unknown-#memory_int-unknown[6][0] == 79)) || !(21 == unknown-#length-unknown[14])) || !(\valid[14] == 1)) || !(110 == unknown-#memory_int-unknown[8][1])) || !(\valid[13] == 1)) || !(5 == unknown-#length-unknown[26])) || ((((((((\result <= 1 && retValue_acc == tmp___0) && \result <= 0) && 1 <= \result) && \result == tmp) && 0 <= \result) && \result == retValue_acc) && 1 <= tmp___0) && tmp___0 <= 1)) || !(\valid[2] == 1)) || !(unknown-#length-unknown[9] == 4)) || !(unknown-#memory_int-unknown[26][3] == 84)) || !(unknown-#length-unknown[22] == 9)) || !(methAndRunningLastTime == 0)) || !(unknown-#memory_int-unknown[11][1] == 0)) || !(unknown-#memory_int-unknown[10][2] == 0)) || !(\valid[17] == 1)) || !(44 == unknown-#memory_int-unknown[7][0])) || !(unknown-#length-unknown[19] == 9)) || !(117 == unknown-#memory_int-unknown[7][2])) || !(\valid[9] == 1)) || !(unknown-#memory_int-unknown[25][5] == 58)) || !(32 == unknown-#memory_int-unknown[10][1])) || !(30 == unknown-#length-unknown[12])) || !(head == 0)) || !(unknown-#memory_int-unknown[27][0] == 79)) || !(unknown-#memory_int-unknown[28][1] == 0)) || !(cleanupTimeShifts == 4)) || !(\valid[18] == 1)) || !(77 == unknown-#memory_int-unknown[25][1]))) && ((((((!(\old(pumpRunning) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(waterLevel <= 2)) || ((pumpRunning == 0 && tmp == 1) && aux-isMethaneLevelCritical()-aux == methaneLevelCritical)) || !(methAndRunningLastTime == 0)) RESULT: Ultimate proved your program to be correct! [2021-11-23 02:31:31,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68700b5-6b00-47a6-bb2d-f2c98f53320c/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE